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 (68678)
A cross-origin issue existed with "iframe" elements. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An access issue was addressed with additional sandbox restrictions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated medium severity (CVSS 5.5), this vulnerability is 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.
An issue was addressed with improved handling of temporary files. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated low severity (CVSS 2.4), 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 low attack complexity. No vendor patch available.
A privacy issue was addressed by removing sensitive data. 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 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed by moving sensitive data to a more secure location. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A privacy issue was addressed with improved private data redaction for log entries. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A logic 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 with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, 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 medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The issue was addressed with improved permissions logic. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A privacy issue was addressed with improved private data redaction for log entries. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A permissions issue was addressed with additional 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 validation of file attributes. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A logic issue was addressed with improved file handling. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated low severity (CVSS 2.4), 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.
This issue was addressed with improved handling of symlinks. Rated high severity (CVSS 8.8), this vulnerability is 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 low attack complexity. No vendor patch available.
This issue was addressed with improved data protection. Rated medium severity (CVSS 4.4), 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 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 UI. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved data protection. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A privacy issue was addressed by removing sensitive data. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A logic issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
An integrity issue was addressed with Beacon Protection. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A file access issue was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A downgrade issue was addressed with additional code-signing restrictions. 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 with additional code-signing restrictions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A privacy issue was addressed with improved handling of temporary files. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
An 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.
This issue was addressed through improved state management. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed by moving sensitive data to a protected location. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
This issue was addressed with improved data protection. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
A privacy issue was addressed with improved handling of files. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. 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 6.1), 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.
The issue was addressed with improved handling of caches. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read issue was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A race condition was addressed with improved locking. 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 state management. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The issue was addressed with improved memory handling. 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 memory handling. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A permissions issue was addressed with additional restrictions. 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 with improved memory handling. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
The HTTPD binary in multiple ZTE routers has a local file inclusion vulnerability in session_init function. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
U-Boot environment is read from unauthenticated partition. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper input validation in some Intel(R) RAID Web Console software all versions may allow an authenticated user to potentially enable information disclosure via adjacent access. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in Intel(R) RAID Web Console all versions may allow an authenticated user to potentially enable information disclosure via local access. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to enable information disclosure or denial of service via local access. Rated high severity (CVSS 7.0). No vendor patch available.
Mattermost Desktop App versions <=5.8.0 fail to sufficiently configure Electron Fuses which allows an attacker to gather Chromium cookies or abuse other misconfigurations via remote/local access. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBM Aspera Shares 1.0 through 1.10.0 PL3 does not invalidate session after a password reset which could allow an authenticated user to impersonate another user on the system. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Mattermost Mobile Apps versions <=2.18.0 fail to disable autocomplete during login while typing the password and visible password is selected, which allows the password to get saved in the dictionary. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Certain models of D-Link wireless routers contain hidden functionality. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The MiCard PLUS Ci and MiCard PLUS BLE reader products developed by rf IDEAS and rebranded by NT-ware have a firmware fault that may result in characters randomly being dropped from some ID card. Rated medium severity (CVSS 5.3). No vendor patch available.
OMFLOW from The SYSCOM Group does not properly restrict the query range of its data query functionality, allowing remote attackers with regular privileges to obtain accounts and password hashes of. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
OMFLOW from The SYSCOM Group does not properly validate user input of the download functionality, allowing remote attackers with regular privileges to read arbitrary system files. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
OMFLOW from The SYSCOM Group has an information leakage vulnerability, allowing unauthorized remote attackers to read arbitrary system configurations. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Nextcloud Desktop Client 3.13.1 through 3.13.3 on Linux, synchronized files (between the server and client) may become world writable or world readable. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An issue was discovered in OpenDaylight Authentication, Authorization and Accounting (AAA) through 0.19.3. 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 Sitecore Experience Platform (XP), Experience Manager (XM), and Experience Commerce (XC) 8.0 Initial Release through 10.4 Initial Release. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper permission configurationDomain configuration vulnerability of the mobile application (com.afmobi.boomplayer) can lead to account takeover risks. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A flaw was found in Ansible, where sensitive information stored in Ansible Vault files can be exposed in plaintext during the execution of a playbook. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
there is a possible arbitrary read due to an insecure default value. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
BT: Encryption procedure host vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
IPMI credentials may be captured in XCC audit log entries when the account username length is 16 characters. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A valid, authenticated LXCA user without sufficient privileges may be able to use the device identifier to modify an LXCA managed device through a specially crafted web API call. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A valid, authenticated LXCA user may be able to unmanage an LXCA managed device in through the LXCA web interface without sufficient privileges. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An information disclosure vulnerability exists in the lunary-ai/lunary, specifically in the `runs/{run_id}/related` endpoint. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
The H2-DM1E PLC's authentication protocol appears to utilize either a custom encoding scheme or a challenge-response protocol. Rated high severity (CVSS 8.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The Eaton Foreseer software provides the feasibility for the user to configure external servers for multiple purposes such as network management, user management, etc. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Titan SFTP and Titan MFT Server 2.0.25.2426 and earlier have a vulnerability a vulnerability where sensitive information, including passwords, is exposed in clear text within the JSON response when. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity. No vendor patch available.
The Custom Post Limits plugin for WordPress is vulnerable to full path disclosure in all versions up to, and including, 4.4.1. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Illustrator versions 28.6, 27.9.5 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
After Effects versions 23.6.6, 24.5 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
After Effects versions 23.6.6, 24.5 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Disable coherent dumb buffers without 3d Coherent surfaces make only sense if the host renders to them using. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix ID 0 endp usage after multiple re-creations 'local_addr_used' and 'add_addr_accepted' are decremented for addresses. Rated medium severity (CVSS 4.7).