Information Disclosure
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
How It Works
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security. This happens through multiple channels: verbose error messages that display stack traces revealing internal paths and frameworks, improperly secured debug endpoints left active in production, and misconfigured servers that expose directory listings or version control artifacts like .git folders. APIs often leak excessive data in responses—returning full user objects when only a name is needed, or revealing system internals through metadata fields.
Attackers exploit these exposures systematically. They probe for common sensitive files (.env, config.php, backup archives), trigger error conditions to extract framework details, and analyze response timing or content differences to enumerate valid usernames or resources. Even subtle variations—like "invalid password" versus "user not found"—enable account enumeration. Exposed configuration files frequently contain database credentials, API keys, or internal service URLs that unlock further attack vectors.
The attack flow typically starts with passive reconnaissance: examining HTTP headers, JavaScript bundles, and public endpoints for version information and architecture clues. Active probing follows—testing predictable paths, manipulating parameters to trigger exceptions, and comparing responses across similar requests to identify information leakage patterns.
Impact
- Credential compromise: Exposed configuration files, hardcoded secrets in source code, or API keys enable direct authentication bypass
- Attack surface mapping: Stack traces, framework versions, and internal paths help attackers craft targeted exploits for known vulnerabilities
- Data breach: Direct exposure of user data, payment information, or proprietary business logic through oversharing APIs or accessible backups
- Privilege escalation pathway: Internal URLs, service discovery information, and architecture details facilitate lateral movement and SSRF attacks
- Compliance violations: GDPR, PCI-DSS, and HIPAA penalties for exposing regulated data through preventable disclosures
Real-World Examples
A major Git repository exposure affected thousands of websites when .git folders remained accessible on production servers, allowing attackers to reconstruct entire source code histories including deleted commits containing credentials. Tools like GitDumper automated mass exploitation of this misconfiguration.
Cloud storage misconfigurations have repeatedly exposed sensitive data when companies left S3 buckets or Azure Blob containers publicly readable. One incident exposed 150 million voter records because verbose API error messages revealed the storage URL structure, and no authentication was required.
Framework debug modes left enabled in production have caused numerous breaches. Django's DEBUG=True setting exposed complete stack traces with database queries and environment variables, while Laravel's debug pages revealed encryption keys through the APP_KEY variable in environment dumps.
Mitigation
- Generic error pages: Return uniform error messages to users; log detailed exceptions server-side only
- Disable debug modes: Enforce production configurations that suppress stack traces, verbose logging, and debug endpoints through deployment automation
- Access control audits: Restrict or remove development artifacts (
.git, backup files,phpinfo()) and internal endpoints before deployment - Response minimization: API responses should return only necessary fields; implement allowlists rather than blocklists for data exposure
- Security headers: Deploy
X-Content-Type-Options, remove server version banners, and disable directory indexing - Timing consistency: Ensure authentication and validation responses take uniform time regardless of input validity
Recent CVEs (68895)
Microsoft Edge for Android (Chromium-based) Tampering Vulnerability. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An issue in Archer Platform before v.6.13 fixed in v.6.12.0.6 and v.6.13.0 allows an authenticated attacker to obtain sensitive information via API calls related to data feeds and data publication. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue in Archer Platform before v.6.13 and fixed in 6.12.0.6 and 6.13.0 allows an authenticated attacker to obtain sensitive information via a crafted URL. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An Out-of-bounds Read vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a local, authenticated attacker with low privileges, to cause a Denial of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Improper Encoding or Escaping of Output in GitHub repository froxlor/froxlor prior to 2.0.21. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
Auto-GPT is an experimental open-source application showcasing the capabilities of the GPT-4 language model. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An issue in issabel-pbx v.4.0.0-6 allows a remote attacker to obtain sensitive information via the modules directory. 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.
Feedbacksystem is a personalized feedback system for students using artificial intelligence. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
An insecure connection between Systems Manager and CQI Reporter application could expose infusion data to an attacker. Rated low severity (CVSS 3.5), this vulnerability is low attack complexity. No vendor patch available.
A GRE dataset file within Systems Manager can be tampered with and distributed to PCUs. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
The data flowing between the PCU and its modules is insecure. Rated medium severity (CVSS 6.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The firmware update package for the wireless card is not properly signed and can be modified. Rated medium severity (CVSS 5.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in YSoft SAFEQ 6 Server before 6.0.82. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue found in DERICIA Co. 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.
An issue found in Marui Co Marui Official app v.13.6.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp Marui Official Store function. 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.
An issue found in ALBIS Co. 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.
An issue found in Inageya v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp Inageya function. 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.
An issue found in Entetsu Store v.13.4.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp Entetsu Store function. 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.
An issue found in Shizutetsu Store v.13.6.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function. 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.
An issue found in KEISEI STORE Co, Ltd. 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.
Embedded malicious code vulnerability in Vision1210, in the build 5 of operating system version 4.3, which could allow a remote attacker to store base64-encoded malicious code in the device's data. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Server information leak of configuration data when an error is generated in response to a specially crafted message. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
URL validation scheme receives input from a user and then parses it to identify its various components. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.
Currently, geomap configuration (Administration -> General -> Geographical maps) allows using HTML in the field “Attribution text” when selected “Other” Tile provider. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
JavaScript pre-processing can be used by the attacker to gain access to the file system (read-only access on behalf of user "zabbix") on the Zabbix Server or Zabbix Proxy, potentially leading to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An information disclosure issue in Gitlab CE/EE affecting all versions from 13.6 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1, resulted in the. Rated low severity (CVSS 3.8), this vulnerability is low attack complexity. No vendor patch available.
An information disclosure issue in GitLab CE/EE affecting all versions from 16.0 prior to 16.0.6, and version 16.1.0 allows unauthenticated actors to access the import error information if a project. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The User Registration plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 3.0.1 via deserialization of untrusted input from the 'profile-pic-url' parameter. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This Deserialization of Untrusted Data vulnerability could allow attackers to execute arbitrary code through malicious serialized objects.
ELECOM wireless LAN routers are vulnerable to sensitive information exposure, which allows a network-adjacent unauthorized attacker to obtain sensitive information. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Exposure of sensitive information to an unauthorized actor vulnerability in SonicWall GMS and Analytics allows authenticated attacker to read administrator password hash via a web service. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Use of password hash instead of password for authentication vulnerability in SonicWall GMS and Analytics allows Pass-the-Hash attacks.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier. 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.
Exposure of sensitive information to an unauthorized actor vulnerability in SonicWall GMS and Analytics enables an unauthenticated attacker to access restricted web pages.3.2-SP1 and earlier. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.1 prior to 15.11.10, all versions from 16.0 prior to 16.0.6, all versions from 16.1 prior to 16.1.1. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
SonicWall GMS and Analytics use outdated Tiny Encryption Algorithm (TEA) with a hardcoded key to encrypt sensitive data.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Tomcat application credentials are hardcoded in SonicWall GMS and Analytics configuration file.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In DMPixelLogger_ProcessDmCommand of DMPixelLogger.cpp, there is a possible out of bounds read due to a missing bounds check. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
there is a possible out of bounds read due to a missing bounds check. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Use of Hard-coded Cryptographic Key vulnerability in SonicWall GMS, SonicWall Analytics.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In startInput of AudioPolicyInterfaceImpl.cpp, there is a possible way of erroneously displaying the microphone privacy indicator due to a race condition. Rated low severity (CVSS 3.1), this vulnerability is remotely exploitable, no authentication required.
In visitUris of Notification.java, there is a possible way to leak image data across user boundaries due to a confused deputy. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In visitUris of RemoteViews.java, there is a possible leak of images between users due to a confused deputy. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A vulnerability was found in Boss Mini 1.4.0 Build 6221. 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.
A vulnerability exists in Palo Alto Networks PAN-OS software that enables an authenticated administrator with the privilege to commit a specifically created configuration to read local files and. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Jenkins mabl Plugin 0.0.46 and earlier does not set the appropriate context for credentials lookup, allowing attackers with Item/Configure permission to access and capture credentials they are not. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Jenkins Oracle Cloud Infrastructure Compute Plugin 1.0.16 and earlier does not validate SSH host keys when connecting OCI clouds, enabling man-in-the-middle attacks. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Jenkins OpenShift Login Plugin 1.1.0.227.v27e08dfb_1a_20 and earlier does not invalidate the previous session on login. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Jenkins Active Directory Plugin 2.30 and earlier ignores the "Require TLS" and "StartTls" options and always performs the connection test to Active directory unencrypted, allowing attackers able to. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An issue was discovered in Keeper Password Manager for Desktop version 16.10.2 (fixed in 17.2), and the KeeperFill Browser Extensions version 16.5.4 (fixed in 17.2), allows local attackers to gain. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
Adobe InDesign versions ID18.3 (and earlier) and ID17.4.1 (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.
A vulnerability in the logging component of Cisco Duo Authentication Proxy could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in the Cisco ACI Multi-Site CloudSec encryption feature of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, remote attacker to read or modify. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
In JetBrains IntelliJ IDEA before 2023.1.4 license dialog could be suppressed in certain cases. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
In JetBrains YouTrack before 2023.1.16597 captcha was not properly validated for Helpdesk forms. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In JetBrains TeamCity before 2023.05.1 build parameters of the "password" type could be written to the agent log. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In JetBrains TeamCity before 2023.05.1 build chain parameters of the "password" type could be written to the agent log. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In JetBrains TeamCity before 2023.05.1 parameters of the "password" type could be shown in the UI in certain composite build configurations. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
DigiExam up to v14.0.2 lacks integrity checks for native modules, allowing attackers to access PII and takeover accounts on shared computers. 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.
Apache Airflow, versions before 2.6.3, is affected by a vulnerability that allows an attacker to cause a service disruption by manipulating the run_id parameter. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
In hci_server, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In bluetooth service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In bluetooth service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In fastDial service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In fastDial service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In fastDial service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In fastDial service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In telephony service, there is a missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.