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 (68463)
The issue was addressed with improved memory handling. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved bounds checking. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed with improved private data redaction for log entries. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
This issue was addressed through improved state management. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved validation of symlinks. Rated medium severity (CVSS 4.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An information disclosure issue was addressed with improved privacy controls. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A type confusion issue was addressed with improved checks. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The issue was addressed by adding additional logic. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed by improved management of object lifetimes. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A path handling issue was addressed with improved validation. Rated medium severity (CVSS 6.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved UI. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A downgrade issue was addressed with additional code-signing restrictions. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved handling of symlinks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved validation of symlinks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A logic issue was addressed with improved restrictions. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
A race condition was addressed with additional validation. Rated medium severity (CVSS 4.7). No vendor patch available.
This issue was addressed with improved data protection. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with additional permissions checks. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A logic issue was addressed with improved restrictions. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed through improved state management. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
This issue was addressed through improved state management. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with additional entitlement checks. Rated high severity (CVSS 8.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved validation of environment variables. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The issue was resolved by sanitizing logging. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved bounds checks. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
A type confusion issue was addressed with improved memory handling. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
An out-of-bounds access issue was addressed with improved bounds checking. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed with improved private data redaction for log entries. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated high severity (CVSS 8.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM Watson Query on Cloud Pak for Data (IBM Data Virtualization 1.8, 2.0, 2.1, 2.2, and 3.0.0) could allow an authenticated user to obtain sensitive information from objects published using Watson. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability, which was classified as problematic, was found in Postman up to 11.20 on Windows. Rated low severity (CVSS 2.0). No vendor patch available.
A vulnerability, which was classified as problematic, has been found in Discord up to 1.0.9177 on Windows. Rated low severity (CVSS 2.0). No vendor patch available.
In illumos illumos-gate 2024-02-15, an error occurs in the elliptic curve point addition algorithm that uses mixed Jacobian-affine coordinates, causing the algorithm to yield a result of. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability classified as problematic has been found in TP-Link TL-SG108E 1.0.0 Build 20201208 Rel. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
A vulnerability was found in TP-Link TL-SG108E 1.0.0 Build 20201208 Rel. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM MQ Container 3.0.0, 3.0.1, 3.1.0 through 3.1.3 CD, 2.0.0 LTS through 2.0.22 LTS and 2.4.0 through 2.4.8, 2.3.0 through 2.3.3, 2.2.0 through 2.2.2 uses weaker than expected cryptographic. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
IBM Storage Defender 2.0.0 through 2.0.7 on-prem defender-sensor-cmd CLI could allow a remote attacker to obtain sensitive information, caused by sending network requests over an insecure channel. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
IBM Storage Protect for Virtual Environments: Data Protection for VMware and Storage Protect Backup-Archive Client 8.1.0.0 through 8.1.23.0 uses weaker than expected cryptographic algorithms that. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
IBM Sterling File Gateway 6.0.0.0 through 6.1.2.5 and 6.2.0.0 through 6.2.0.1 could allow an authenticated user to enumerate usernames due to an observable discrepancy in request responses. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
** UNSUPPORTED WHEN ASSIGNED ** Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) vulnerability in Apache Cocoon. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in wpWax Post Grid, Slider & Carousel Ultimate allows PHP Local File. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Insertion of Sensitive Information into Externally-Accessible File or Directory vulnerability in codection Import and export users and customers allows Retrieve Embedded Sensitive Data.27.12. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Xerox Workplace Suite stores tokens in session storage, which may expose them to potential access if a user's session is compromised. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in OTRS Application Server and reverse proxy settings allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.
Certain errors of the upstream libraries will insert sensitive information in the OTRS or ((OTRS)) Community Edition log mechanism and mails send to the system administrator. Rated medium severity (CVSS 6.3). No vendor patch available.
A vulnerability exists in OTRS and ((OTRS Community Edition)) that fail to set the HTTP response header X-Content-Type-Options to nosniff. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Social Share Buttons for WordPress plugin through 2.7 allows an unauthenticated user to upload arbitrary images and change the path where they are uploaded. 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.
IBM Security Directory Integrator 7.2.0 and IBM Security Verify Directory Integrator 10.0.0 does not set the secure attribute on authorization tokens or session cookies. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable. No vendor patch available.
IBM Security Directory Integrator 7.2.0 and IBM Security Verify Directory Integrator 10.0.0 does not set the secure attribute on authorization tokens or session cookies. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable. No vendor patch available.
IBM Security Directory Integrator 7.2.0 and IBM Security Verify Directory Integrator 10.0.0 could disclose sensitive information about directory contents that could aid in further attacks against the. Rated low severity (CVSS 2.4), this vulnerability is low attack complexity. No vendor patch available.
IBM Common Licensing 9.0 stores user credentials in plain clear text which can be read by a local user. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM Cognos Mobile Client 1.1 iOS may be vulnerable to information disclosure through man in the middle techniques due to the lack of certificate pinning. Rated medium severity (CVSS 4.2), this vulnerability is no authentication required. No vendor patch available.
IBM Automation Decision Services 23.0.2 allows web pages to be stored locally which can be read by another user on the system. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Develocity (formerly Gradle Enterprise) before 2024.1.8 has Incorrect Access Control. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Membership Plugin - Restrict Content plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.2.13 via the WordPress core search feature. 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.
xmlXIncludeAddNode in xinclude.c in libxml2 before 2.11.0 has a use-after-free. Rated high severity (CVSS 8.1), this vulnerability is no authentication required. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
IBM Maximo Application Suite 8.10, 8.11, and 9.0 - Monitor Component stores source code on the web server 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. No vendor patch available.
IBM Analytics Content Hub 2.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Control Center 6.2.1 and 6.3.1 could allow a remote attacker to enumerate usernames due to an observable discrepancy between login attempts. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Control Center 6.2.1 and 6.3.1 could allow an authenticated user to obtain sensitive information exposed through a directory listing. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
IBM Control Center 6.2.1 and 6.3.1 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
IBM Cloud Pak System 2.3.3.6, 2.3.36 iFix1, 2.3.3.6 iFix2, 2.3.3.7, 2.3.3.7 iFix1, and 2.3.4.0 could disclose sensitive information about the system that could aid in further attacks against the. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Cloud Pak System 2.3.3.0, 2.3.3.3, 2.3.3.3 iFix1, 2.3.3.4, 2.3.3.5, 2.3.3.6, 2.3.3.6 iFix1, 2.3.3.6 iFix2, 2.3.3.7, and 2.3.3.7 iFix1 could disclose sensitive information about the system that. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Cloud Pak System 2.3.3.0, 2.3.3.3, 2.3.3.3 iFix1, 2.3.3.4, 2.3.3.5, 2.3.3.6, 2.3.3.6 iFix1, 2.3.3.6 iFix2, 2.3.3.7, and 2.3.3.7 iFix1 could disclose sensitive information about the system that. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Cloud Pak System 2.3.3.0, 2.3.3.3, 2.3.3.3 iFix1, 2.3.3.4, 2.3.3.5, 2.3.3.6, 2.3.3.6 iFix1, 2.3.3.6 iFix2, 2.3.3.7, and 2.3.3.7 iFix1 could allow an authenticated user to obtain sensitive. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
IBM Cloud Pak System 2.3.3.0, 2.3.3.3, 2.3.3.3 iFix1, 2.3.3.4, 2.3.3.5, 2.3.3.6, 2.3.3.6 iFix1, 2.3.3.6 iFix2, 2.3.3.7, and 2.3.3.7 iFix1 could disclose sensitive information in HTTP responses that. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Import WP - Export and Import CSV and XML files to WordPress plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.14.5 via the uploads. 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.
The Custom Product Tabs Lite for WooCommerce plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.9.0 via deserialization of untrusted input from the. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The ThemeREX Addons plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 2.33.0 via the 'trx_sc_reviews' shortcode 'type' attribute. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Nuxt is an open-source web development framework for Vue.js. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability was found in Rise Group Rise Mode Temp CPU 2.1. Rated high severity (CVSS 8.5), this vulnerability is low attack complexity. No vendor patch available.
The HL7 FHIR IG publisher is a tool to take a set of inputs and create a standard FHIR IG. Rated medium severity (CVSS 4.2), this vulnerability is low attack complexity. No vendor patch available.
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AddonMaster Post Grid Master allows PHP Local File Inclusion.4.12. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Insertion of Sensitive Information Into Sent Data vulnerability in Code for Recovery 12 Step Meeting List allows Retrieve Embedded Sensitive Data.16.5. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Generation of Error Message Containing Sensitive Information vulnerability in David de Boer Paytium allows Retrieve Embedded Sensitive Data.4.11. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Updatecli is a tool used to apply file update strategies. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Rated medium severity (CVSS 4.7), this vulnerability is low attack complexity. No vendor patch available.