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 (68399)
In the Linux kernel, the following vulnerability has been resolved: arm64/crc-t10dif: fix use of out-of-scope array in crc_t10dif_arch() Fix a silly bug where an array was used outside of its scope. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Fix race between unprepare and queue_buf A client driver may use mhi_unprepare_from_transfer() to quiesce incoming. Rated medium severity (CVSS 4.7).
In the Linux kernel, the following vulnerability has been resolved: tpm: do not start chip while suspended Checking TPM_CHIP_FLAG_SUSPENDED after the call to tpm_find_get_ops() can lead to a spurious. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: backlight: led_bl: Hold led_access lock when calling led_sysfs_disable() Lockdep detects the following issue on led-backlight. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: sctp: detect and prevent references to a freed transport in sendmsg sctp_sendmsg() re-uses associations and transports when. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire SRCU in KVM_GET_MP_STATE to protect guest memory accesses Acquire a lock on kvm->srcu when userspace is getting. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error After devm_request_irq() fails with error in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. No vendor patch available.
Exposure of sensitive information to local unauthorized actors in Elastic Agent and Elastic Security Endpoint can lead to loss of confidentiality and impersonation of Endpoint to the Elastic Stack. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity.
Insufficient default configuration in HCL Leap allows anonymous access to directory information. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Missing "no cache" headers in HCL Leap permits sensitive data to be cached. Rated low severity (CVSS 3.2), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability was found in Weitong Mall 1.0.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
base-x is a base encoder and decoder of any given alphabet using bitcoin style leading zero compression. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Tesla Model S Iris Modem QCMAP_ConnectionManager Improper Input Validation Sandbox Escape Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
: Use of GET Request Method With Sensitive Query Strings vulnerability in ABB ANC, ABB ANC-L, ABB ANC-mini.1.4; ANC-L: through 1.1.4; ANC-mini: through 1.1.4. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
: Modification of Assumed-Immutable Data (MAID) vulnerability in ABB ANC, ABB ANC-L, ABB ANC-mini.1.4; ANC-L: through 1.1.4; ANC-mini: through 1.1.4. Rated high severity (CVSS 8.5), this vulnerability is low attack complexity. No vendor patch available.
Rejected reason: Red Hat Product Security has come to the conclusion that this CVE is not needed. No vendor patch available.
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
Improper input validation in Microsoft Dynamics allows an unauthorized attacker to disclose information over a network. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Rejected reason: Red Hat Product Security has come to the conclusion that this CVE is not needed. No vendor patch available.
Symantec Endpoint Protection Windows Agent, running an ERASER Engine prior to 119.1.7.8, may be susceptible to an Elevation of Privilege vulnerability, which may allow an attacker to delete resources. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
XWiki is a generic wiki platform. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability classified as critical was found in Weitong Mall 1.0.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability classified as critical has been found in Weitong Mall 1.0.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Incorrect Permission Assignment for Critical Resource, Cleartext Storage of Sensitive Information vulnerability in ABB Automation Builder.8.0. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. No vendor patch available.
Incorrect Permission Assignment for Critical Resource vulnerability in ABB Automation Builder.8.0. Rated high severity (CVSS 8.5), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability in the “Backup & Restore” functionality of the web application of ctrlX OS allows a remote authenticated (lowprivileged) attacker to access secret information via multiple crafted. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the “Certificates and Keys” functionality of the web application of ctrlX OS allows a remote authenticated (low-privileged) attacker to write arbitrary certificates in arbitrary. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the “Network Interfaces” functionality of the web application of ctrlX OS allows a remote authenticated (lowprivileged) attacker to delete the configuration of physical network. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the “Network Interfaces” functionality of the web application of ctrlX OS allows a remote authenticated (low-privileged) attacker to manipulate the wireless network configuration. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the “Network Interfaces” functionality of the web application of ctrlX OS allows a remote authenticated (low-privileged) attacker to manipulate the network configuration file via a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the “Proxy” functionality of the web application of ctrlX OS allows a remote authenticated (lowprivileged) attacker to manipulate the “/etc/environment” file via a crafted HTTP. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability in the “Hosts” functionality of the web application of ctrlX OS allows a remote authenticated (low-privileged) attacker to manipulate the “hosts” file in an unintended manner via a. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the “Manages app data” functionality of the web application of ctrlX OS allows a remote authenticated (low-privileged) attacker to write arbitrary files in arbitrary file system. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the login functionality of the web application of ctrlX OS allows a remote unauthenticated attacker to guess valid usernames via multiple crafted HTTP requests. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability in the users configuration file of ctrlX OS may allow a remote authenticated (low-privileged) attacker to recover the plaintext passwords of other users. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the web application of ctrlX OS allows a remote unauthenticated attacker to conduct various attacks against users of the vulnerable system, including web cache poisoning or. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
The SureForms WordPress plugin before 1.4.4 does not have proper authorisation check when updating its settings via the REST API, which could allow Contributor and above roles to perform such action. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
KHC-INVITATION-AUTOMATION is a GitHub automation script that automatically invites followers of a bot account to join your organization. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. No vendor patch available.
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A flaw was found in Keycloak. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue in modernwms v.1.0 allows an attacker view the MD5 hash of the administrator password and other attributes without authentication, even after initial configuration and password change. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
CWE-923: Improper Restriction of Communication Channel to Intended Endpoints. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
CWE-427: Uncontrolled Search Path Element. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability classified as critical has been found in ScriptAndTools Online-Travling-System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in ScriptAndTools Online-Travling-System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in ScriptAndTools Online-Travling-System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability existed in Thunderbird for Android where potentially sensitive library locations were logged via Logcat. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability was found in ScriptAndTools Online-Travling-System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
DPA countermeasures are unavailable for ECDH key agreement and EdDSA signing operations on Curve25519 and Curve448 on all Series 2 modules and SoCs due to a lack of hardware and software support. Rated low severity (CVSS 1.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
libsnowflakeclient is the Snowflake Connector for C/C++. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
libsnowflakeclient is the Snowflake Connector for C/C++. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
Rejected reason: Not used. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 5.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A type confusion issue was addressed with improved checks. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed by removing the vulnerable code. Rated medium severity (CVSS 5.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
snowflake-connector-nodejs is a NodeJS driver for Snowflake. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
gosnowflake is the Snowflake Golang driver. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
snowflake-connector-net is the Snowflake Connector for .NET. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
A vulnerability was found in code-projects ATM Banking 1.0. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
When a Web User without Create permission on subfolders attempts to upload a file to a non-existent directory, the error message includes the absolute server path which may allow Fuzzing for. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in 201206030 Novel 3.5.0 and classified as critical.java of the component Chapter Handler. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in PHPGurukul Hostel Management System 2.1 in the /hostel/change-password.php file of the user panel - Change Password component. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A critical vulnerability was found in PHPGurukul User Registration & Login and User Management System V3.3 in the /loginsystem/change-password.php file of the user panel - Change Password component. 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.
In Snowflake ODBC Driver before 3.7.0, in certain code paths, the Driver logged the whole SQL query at the INFO level, aka Insertion of Sensitive Information into a Log File. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
DevExpress before 23.1.3 allows arbitrary TypeConverter conversion. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable. No vendor patch available.
Dell PowerProtect Data Manager Reporting, version(s) 19.16, 19.17, 19.18, contain(s) an Improper Neutralization of Special Elements Used in a Template Engine vulnerability. Rated low severity (CVSS 2.3), this vulnerability is low attack complexity. No vendor patch available.
Dell PowerProtect Data Manager Reporting, version(s) 19.17, contain(s) an Incorrect Use of Privileged APIs vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability was found in web-arena-x webarena up to 0.2.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as problematic was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.