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 (68894)
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.0), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.0), SCALANCE M804PB. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V7.2.2), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V7.2.2), SCALANCE. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) (All versions < V8.0), RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) (All versions < V8.0), SCALANCE M804PB. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Affected devices use a hardcoded key to obfuscate the configuration backup that an administrator can export from the device. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in COMOS (All versions < V10.4.4). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The YOP Poll plugin for WordPress is vulnerable to a race condition in all versions up to, and including, 6.5.26. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Insecure Direct Object References (IDOR) in EMSigner v2.8.7 allow attackers to gain unauthorized access to application content and view sensitive data of other users via manipulation of the. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation.". Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An issue in Golden v.13.6.1 allows attackers to send crafted notifications via leakage of the channel access token. 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.
DataHub is an open-source metadata platform. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
The unauthenticated attacker in NetWeaver AS Java Logon application - version 7.50, can brute force the login functionality to identify the legitimate user ids. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Under certain condition SAP NetWeaver Application Server ABAP - versions KERNEL 722, KERNEL 7.53, KERNEL 7.77, KERNEL 7.85, KERNEL 7.89, KERNEL 7.54, KERNEL 7.91, KERNEL 7.92, KERNEL 7.93, KERNEL. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Label Studio is an open source data labeling tool. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A vulnerability, which was classified as problematic, has been found in Maiwei Safety Production Control Platform 4.1.7/ha.html of the component Intelligent Monitoring. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability classified as problematic was found in Maiwei Safety Production Control Platform 4.1. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in Click Studios Passwordstate before 9811. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
IBM CICS TX Advanced 10.1 does not set the secure attribute on authorization tokens or session cookies. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Apache Airflow, versions before 2.7.3, has a vulnerability that allows an authorized user who has access to read specific DAGs only, to read information about task instances in other DAGs. 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.
Headscale through 0.22.3 writes bearer tokens to info-level logs. 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, which was classified as problematic, was found in Byzoro Smart S85F Management Platform V31R02B10-01. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Gitsign is software for keyless Git signing using Sigstore. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required.
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability classified as problematic was found in PHPGurukul Restaurant Table Booking System 1.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Telit Cinterion BGS5, Telit Cinterion EHS5/6/8, Telit Cinterion PDS5/6/8, Telit Cinterion ELS61/81, Telit. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Discourse is an open source platform for community discussion. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Improper Link Resolution Before File Access in GitHub repository froxlor/froxlor prior to 2.1.0. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
HashiCorp Vault and Vault Enterprise inbound client requests triggering a policy check can lead to an unbounded consumption of memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Separate Groups mode restrictions were not honoured in the forum summary report, which would display users from other groups. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
H5P metadata automatically populated the author with the user's username, which could be sensitive information. 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.
On Windows, The IsLocal function does not correctly detect reserved device names in some cases. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue discovered in esptool 4.6.2 allows attackers to view sensitive information via weak cryptographic algorithm. 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.
The leakage of channel access token in DRAGON FAMILY Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in UPDATESALON C-LOUNGE Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in bluetrick Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in taketorinoyu Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
Label Studio is a multi-type data labeling and annotation tool with standardized output format. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
The AppsAnywhere macOS client-privileged helper can be tricked into executing arbitrary commands with elevated permissions by a local user process. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Symmetric encryption used to protect messages between the AppsAnywhere server and client can be broken by reverse engineering the client and used to impersonate the AppsAnywhere server. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The leakage of channel access token in best_training_member Line 13.6.1 allows remote attackers to send malicious notifications. 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.
The leakage of channel access token in platinum clinic Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in craft_members Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in Lil.OFF-PRICE STORE Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in nagaoka taxi Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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.
The leakage of channel access token in F.B.P members Line 13.6.1 allows remote attackers to send malicious notifications to victims. 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 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Telit Cinterion BGS5, Telit Cinterion EHS5/6/8, Telit Cinterion PDS5/6/8, Telit Cinterion ELS61/81, Telit. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A CWE-526: Exposure of Sensitive Information Through Environmental Variables vulnerability exists in Telit Cinterion BGS5, Telit Cinterion EHS5/6/8, Telit Cinterion PDS5/6/8, Telit Cinterion. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A CWE-552: Files or Directories Accessible to External Parties vulnerability exists in Telit Cinterion BGS5, Telit Cinterion EHS5/6/8, Telit Cinterion PDS5/6/8, Telit Cinterion ELS61/81, Telit. Rated medium severity (CVSS 6.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A timing condition in Harbor 2.6.x and below, Harbor 2.7.2 and below, Harbor 2.8.2 and below, and Harbor 1.10.17 and below allows an attacker with network access to create jobs/stop job tasks and. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the DustFilterAlertSmm SMM driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the 534D0140 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Lenovo LeCloud App improper input validation allows attackers to access arbitrary components and arbitrary file downloads, which could result in information disclosure. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was reported in some ThinkPad BIOS that could allow a physical or local attacker with elevated privileges to tamper with BIOS firmware. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
An uncontrolled search path vulnerability was reported in Lenovo System Update that could allow an attacker with local access to execute code with elevated privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
ZITADEL provides identity infrastructure. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required.
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc. 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 was discovered in Couchbase Server 7.2.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue discovered in Pfsense CE version 2.6.0 allows attackers to compromise user accounts via weak password requirements. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Spotfire Connectors component of TIBCO Software Inc.'s Spotfire Analyst, Spotfire Server, and Spotfire for AWS Marketplace contains an easily exploitable vulnerability that allows a low. Rated low severity (CVSS 3.9), this vulnerability is low attack complexity. No vendor patch available.
Incorrect Privilege Assignment vulnerability in opentext Fortify ScanCentral DAST. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An incorrect permission assignment in the TopoGrafix DataPlugin for GPX could result in information disclosure. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
PILOS is an open source front-end for BigBlueButton servers with a built-in load balancer. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The remote PIN module has a vulnerability that causes incorrect information storage locations.Successful exploitation of this vulnerability may affect confidentiality. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Vulnerability of uncaught exceptions in the NFC module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds write vulnerability in the kernel driver module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds write vulnerability in the kernel driver module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Vulnerability of uncaught exceptions in the NFC module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Vulnerability of background app permission management in the framework module. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds write vulnerability in the kernel driver module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Vulnerability of missing encryption in the card management module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Vulnerability of improper permission control in the Booster module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use-After-Free (UAF) vulnerability in the dubai module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Multi-thread vulnerability in the idmap module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A flaw was found in wildfly-core. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Prometheus metrics are available without authentication. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds Read in GitHub repository gpac/gpac prior to 2.3.0-DEV. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Versions of Puppet Enterprise prior to 2021.7.6 and 2023.5 contain a flaw which results in broken session management for SAML implementations. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability in wpWax Directorist directorist.7.1. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability in Patrick Robrecht Posts and Users Stats posts-and-users-stats.1.3. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability in Duke Simple CSV/XLS Exporter simple-csv-xls-exporter.5.8. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability in Kaushik Export Users Data CSV export-users-data-csv.1. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in Masahiro NAKASHIMA WP CSV Exporter wp-csv-exporter.0. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability in Jackmail Emails & Newsletters with Jackmail jackmail-newsletters.2.22. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability in ReviewX ReviewX reviewx.6.7. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability in narolainfotech Export Users Data Distinct export-users-data-distinct.3. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.