Information Disclosure
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
How It Works
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security. This happens through multiple channels: verbose error messages that display stack traces revealing internal paths and frameworks, improperly secured debug endpoints left active in production, and misconfigured servers that expose directory listings or version control artifacts like .git folders. APIs often leak excessive data in responses—returning full user objects when only a name is needed, or revealing system internals through metadata fields.
Attackers exploit these exposures systematically. They probe for common sensitive files (.env, config.php, backup archives), trigger error conditions to extract framework details, and analyze response timing or content differences to enumerate valid usernames or resources. Even subtle variations—like "invalid password" versus "user not found"—enable account enumeration. Exposed configuration files frequently contain database credentials, API keys, or internal service URLs that unlock further attack vectors.
The attack flow typically starts with passive reconnaissance: examining HTTP headers, JavaScript bundles, and public endpoints for version information and architecture clues. Active probing follows—testing predictable paths, manipulating parameters to trigger exceptions, and comparing responses across similar requests to identify information leakage patterns.
Impact
- Credential compromise: Exposed configuration files, hardcoded secrets in source code, or API keys enable direct authentication bypass
- Attack surface mapping: Stack traces, framework versions, and internal paths help attackers craft targeted exploits for known vulnerabilities
- Data breach: Direct exposure of user data, payment information, or proprietary business logic through oversharing APIs or accessible backups
- Privilege escalation pathway: Internal URLs, service discovery information, and architecture details facilitate lateral movement and SSRF attacks
- Compliance violations: GDPR, PCI-DSS, and HIPAA penalties for exposing regulated data through preventable disclosures
Real-World Examples
A major Git repository exposure affected thousands of websites when .git folders remained accessible on production servers, allowing attackers to reconstruct entire source code histories including deleted commits containing credentials. Tools like GitDumper automated mass exploitation of this misconfiguration.
Cloud storage misconfigurations have repeatedly exposed sensitive data when companies left S3 buckets or Azure Blob containers publicly readable. One incident exposed 150 million voter records because verbose API error messages revealed the storage URL structure, and no authentication was required.
Framework debug modes left enabled in production have caused numerous breaches. Django's DEBUG=True setting exposed complete stack traces with database queries and environment variables, while Laravel's debug pages revealed encryption keys through the APP_KEY variable in environment dumps.
Mitigation
- Generic error pages: Return uniform error messages to users; log detailed exceptions server-side only
- Disable debug modes: Enforce production configurations that suppress stack traces, verbose logging, and debug endpoints through deployment automation
- Access control audits: Restrict or remove development artifacts (
.git, backup files,phpinfo()) and internal endpoints before deployment - Response minimization: API responses should return only necessary fields; implement allowlists rather than blocklists for data exposure
- Security headers: Deploy
X-Content-Type-Options, remove server version banners, and disable directory indexing - Timing consistency: Ensure authentication and validation responses take uniform time regardless of input validity
Recent CVEs (68895)
A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the Zenon system. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability exists by allowing low-privileged users to read and update the data in various directories used by the Zenon system. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A heap-based buffer overflow issue was found in ImageMagick's PushCharPixel() function in quantum-private.h. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A race condition vulnerability was found in the vmwgfx driver in the Linux kernel. Rated medium severity (CVSS 5.3).
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.
A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.
An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity.
A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A use-after-free flaw was found in nfc_llcp_find_local in net/nfc/llcp_core.c in NFC in the Linux kernel. Rated medium severity (CVSS 4.1). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Thunderbird allowed the Text Direction Override Unicode Character in filenames. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in Pointware EasyInventory 1.0.12.0 and classified as critical.exe. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Datalust Seq before 2023.2.9489 allows insertion of sensitive information into an externally accessible file or directory. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity.
KubePi is an opensource kubernetes management panel. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Certain HP LaserJet Pro print products are potentially vulnerable to an Elevation of Privilege and/or Information Disclosure related to a lack of authentication with certain endpoints. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A sensitive information leak issue has been discovered in GitLab EE affecting all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows access to. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor in GitHub repository pimcore/pimcore prior to 10.6.4. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
Metabase open source before 0.46.6.1 and Metabase Enterprise before 1.46.6.1 allow attackers to execute arbitrary commands on the server, at the server's privilege level. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Dell PowerStore versions prior to 3.5.0.1 contain an insertion of sensitive information into log file vulnerability. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Galaxy Software Services Vitals ESP is vulnerable to using a hard-coded encryption key. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability classified as problematic has been found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
eyoucms v1.6.3 was discovered to contain an information disclosure vulnerability via the component /custom_model_path/recruit.filelist.txt. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Incorrect access control in the component /models/Content of Cockpit CMS v2.5.2 allows unauthorized attackers to access sensitive data. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Beijing Netcon NS-ASG 6.3. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Samba's SMB2 packet signing mechanism. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A path disclosure vulnerability was found in Samba. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Dell Hybrid Client version 2.0 contains a Sensitive Data Exposure vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A potential security vulnerability has been identified in the Enterprise Server Common Web Administration (ESCWA) component used in Enterprise Server, Enterprise Test Server, Enterprise Developer,. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Dell Wyse ThinOS versions prior to 2208 (9.3.2102) contain a sensitive information disclosure vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Dell Wyse ThinOS versions prior to 2306 (9.4.2103) contain a sensitive information disclosure vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Dell Wyse ThinOS versions prior to 2303 (9.4.1141) contain a sensitive information disclosure vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Wyse Management Suite versions prior to 4.0 contain a sensitive information disclosure vulnerability. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
The Essential Addons For Elementor plugin for WordPress is vulnerable to unauthenticated API key disclosure in versions up to, and including, 5.8.1 due to the plugin adding the API key to the source. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
HashiCorp Nomad and Nomad Enterprise 0.11.0 up to 1.5.6 and 1.4.1 HTTP search API can reveal names of available CSI plugins to unauthenticated users or users without the plugin:read policy. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
HashiCorp Nomad Enterprise 1.2.11 up to 1.5.6, and 1.4.10 ACL policies using a block without a label generates unexpected results. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
HashiCorp Nomad and Nomad Enterprise 0.7.0 up to 1.5.6 and 1.4.10 ACL policies using a block without a label generates unexpected results. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Weintek Weincloud v0.13.6 could allow an attacker to abuse the registration functionality to login with testing credentials to the official website. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In Keysight Geolocation Server v2.4.2 and prior, a low privileged attacker could create a local ZIP file containing a malicious script in any location. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Weintek Weincloud v0.13.6 could allow an attacker to reset a password with the corresponding account’s JWT token only. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Weintek Weincloud v0.13.6 could allow an attacker to cause a denial-of-service condition for Weincloud by sending a forged JWT token. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Weintek Weincloud v0.13.6 could allow an attacker to efficiently develop a brute force attack on credentials with authentication hints from error message responses. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Rated low severity (CVSS 2.8), this vulnerability is low attack complexity.
A potential vulnerability has been identified in the Micro Focus Dimensions CM Plugin for Jenkins. Rated medium severity (CVSS 5.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A potential vulnerability has been identified in the Micro Focus Dimensions CM Plugin for Jenkins. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in Intergard SGS 8.7.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Intergard SGS 8.7.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in Intergard SGS 8.7.0 and classified as problematic. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability, which was classified as critical, was found in Intergard SGS 8.7.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
IBM Sterling Connect:Express for UNIX 1.5 browser UI is vulnerable to attacks that rely on the use of cookies without the SameSite attribute. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
IBM Planning Analytics Cartridge for Cloud Pak for Data 4.0 connects to a CouchDB server. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Planning Analytics Cartridge for Cloud Pak for Data 4.0 exposes sensitive information in logs which could lead an attacker to exploit this vulnerability to conduct further attacks. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Planning Analytics Cartridge for Cloud Pak for Data 4.0 exposes sensitive information in logs which could lead an attacker to exploit this vulnerability to conduct further attacks. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
IBM Robotic Process Automation for Cloud Pak 21.0.0 through 21.0.7.4 and 23.0.0 through 23.0.5 is vulnerable to disclosing server version information which may be used to determine software. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
IBM InfoSphere Information Server 11.7 could allow an authenticated user to obtain sensitive information due to an insecure security configuration in InfoSphere Data Flow Designer. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.
Vulnerability in the Application Express Customers Plugin product of Oracle Application Express (component: User Account). Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity.
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity.
The BigFix WebUI uses weak cipher suites. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Iagona ScrutisWeb versions 2.1.37 and prior are vulnerable to an insecure direct object reference vulnerability that could allow an unauthenticated user to view profile information, including user. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Royal Elementor Addons plugin for WordPress is vulnerable to unauthenticated API key disclosure in versions up to, and including, 1.3.70 due to the plugin adding the API key to the source code of. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
xHTTP 72f812d has a double free in close_connection in xhttp.c via a malformed HTTP request method. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Improper Validation of Certificate with Host Mismatch vulnerability in Hitachi Device Manager on Windows, Linux (Device Manager Server, Device Manager Agent, Host Data Collector components) allows. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Cleartext Transmission of Sensitive Information vulnerability in Hitachi Device Manager on Windows, Linux (Device Manager Server, Device Manager Agent, Host Data Collector components) allows. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in the Linux kernel before 6.3.10. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in the Linux kernel before 6.3.8. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in the Linux kernel before 6.3.9. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in the Linux kernel before 6.3.4. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in the Linux kernel before 6.3.8. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in the Linux kernel before 6.3.4. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Open Enclave is a hardware-agnostic open source library for developing applications that utilize Hardware-based Trusted Execution Environments, also known as Enclaves. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
If a TLS 1.3 client gets neither a PSK (pre shared key) extension nor a KSE (key share extension) when connecting to a malicious server, a default predictable buffer gets used for the IKM (Input. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
An issue was discovered in set_con2fb_map in drivers/video/fbdev/core/fbcon.c in the Linux kernel before 6.2.12. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
stress-test master commit e4c878 was discovered to contain a FPE vulnerability via the component combine_inner at /pixman-combine-float.c. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Progress Chef Infra Server before 15.7 allows a local attacker to exploit a /var/opt/opscode/local-mode-cache/backup world-readable temporary backup path to access sensitive information, resulting in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Mattermost iOS app fails to properly validate the server certificate while initializing the TLS connection allowing a network attacker to intercept the WebSockets connection. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Reactive web applications that use Spring HATEOAS to produce hypermedia-based responses might be exposed to malicious forwarded headers if they are not behind a trusted proxy that ensures correctness. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Prototype Pollution in GitHub repository automattic/mongoose prior to 7.3.4. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
IBM InfoSphere Information Server 11.7 could allow a remote attacker to obtain system information using a specially crafted query that could aid in further attacks against the system. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Weave GitOps Terraform Controller (aka Weave TF-controller) is a controller for Flux to reconcile Terraform resources in a GitOps way. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
zenstruck/collections is a set of helpers for iterating/paginating/filtering collections. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption (JOSE). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
An out-of-bounds read flaw was found in w3m, in the growbuf_to_Str function in indep.c. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue in Archer Platform before v.6.13 fixed in v.6.12.0.6 and v.6.13.0 allows an authenticated attacker to obtain sensitive information via the log files. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.