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 (68759)
device’s web interface when an attacker sends a specially crafted HTTP request. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
exposure of SNMP credentials when an attacker has access to the controller logs. Rated medium severity (CVSS 4.5), this vulnerability is low attack complexity.
Insecure permissions in the AdminController.AjaxSave() method of PPGo_Jobs v2.8.0 allows authenticated attackers to arbitrarily modify users' account information. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
HP Advance Mobile Applications for iOS and Android are potentially vulnerable to information disclosure when using an outdated version of the application via mobile devices. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in Quay. Rated medium severity (CVSS 4.2), this vulnerability is remotely exploitable. No vendor patch available.
It was identified that if a cross-cluster API key. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
interface over the product network interface. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
prevent user to update the device firmware and prevent proper behavior of the webserver when specific files or directories are removed from the filesystem. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in FreeIPA in a way when a Kerberos TGS-REQ is encrypted using the client’s session key. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Use of uninitialized resource issue exists in IPCOM EX2 Series (V01L0x Series) V01L07NF0201 and earlier, and IPCOM VE2 Series V01L07NF0201 and earlier. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Inappropriate implementation in Downloads in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to obfuscate security UI via a malicious file. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Inappropriate Implementation in Memory Allocator in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Type Confusion in V8 in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Type Confusion in V8 in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Type Confusion in V8 in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Type Confusion in V8 in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An attacker could retrieve sensitive files (medical images) as well as plant new medical images or overwrite existing medical images on a MicroDicom DICOM Viewer system. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An improper input validation vulnerability in the SGI Image Codec of QNX SDP version(s) 6.6, 7.0, and 7.1 could allow an attacker to potentially cause a denial-of-service condition or execute code in. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability exists in the FOXMAN-UN/UNEM in which sensitive information is stored in cleartext within a resource that might be accessible to another control sphere. Rated medium severity (CVSS 4.1). No vendor patch available.
A vulnerability exists in the UNEM server / APIGateway that if exploited allows a malicious user to perform an arbitrary number of authentication attempts using different passwords, and eventually. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A user/password reuse vulnerability exists in the FOXMAN-UN/UNEM application and server management. Rated high severity (CVSS 8.0), this vulnerability is remotely exploitable. No vendor patch available.
Azure Science Virtual Machine (DSVM) Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Windows Perception Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability. Rated medium severity (CVSS 5.7), 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.
Azure Identity Libraries and Microsoft Authentication Library Elevation of Privilege Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Azure Monitor Agent Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity.
Microsoft Azure File Sync Elevation of Privilege Vulnerability. Rated medium severity (CVSS 4.4).
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Windows Cryptographic Services Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Windows Storage Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity.
Microsoft Streaming Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Microsoft Streaming Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Kernel contains a TOCTOU race condition vulnerability allowing local privilege escalation, exploited by the OilRig (APT34/Iranian) group for government network compromise.
Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Container Manager Service Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.
Windows Remote Access Connection Manager Information Disclosure Vulnerability. Rated medium severity (CVSS 4.7).
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Winlogon Elevation of Privilege Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
An issue was discovered in Kape CyberGhostVPN 8.4.3.12823 on Windows. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A medium severity vulnerability in BIPS has been identified where an authenticated attacker with high privileges can access the SSH private keys via an information leak in the server response. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Aimeos HTML client provides Aimeos HTML components for e-commerce projects. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Aimeos is an Open Source e-commerce framework for online shops. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A use of password hash with insufficient computational effort vulnerability [CWE-916] affecting FortiOS version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 6.4 all versions and FortiProxy. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
vulnerability exists in the FOXMAN-UN/UNEM server / API Gateway that if exploited an attacker could use to allow unintended commands or code to be executed on the UNEM server allowing sensitive data. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability exists in the FOXMAN-UN/UNEM server that affects the message queueing mechanism’s certificate validation. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
In violation of spec, cookie prefixes such as `__Secure` were being ignored if they were not correctly capitalized - by spec they should be checked with a case-insensitive comparison. 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 website was able to detect when a user took a screenshot of a page using the built-in Screenshot functionality in Firefox. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An attacker could have caused a use-after-free in the JavaScript engine to read memory in the JavaScript string section of the heap. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into saving the file with a disallowed extension such as `.url` by including an invalid character in. 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.
By monitoring the time certain operations take, an attacker could have guessed which external protocol handlers were functional on a user's system. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the 'My Shots' button that appeared, and direct the user to a replica Firefox Screenshots page that. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
If a garbage collection was triggered at the right time, a use-after-free could have occurred during object transplant. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
Allow attackers to intercept or falsify data exchanges between the client and the server. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
If exploited an attacker could traverse the file system to access files or directories that would otherwise be inaccessible. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in Tecnomatix Plant Simulation V2302 (All versions < V2302.0012), Tecnomatix Plant Simulation V2404 (All versions < V2404.0001). Rated high severity (CVSS 7.3), this vulnerability is no authentication required. No vendor patch available.
A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V1.2). Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity.
A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V1.2). Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity.
A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V1.2). Rated medium severity (CVSS 5.1), this vulnerability is no authentication required, low attack complexity.
A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V1.2). Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. This Insufficiently Protected Credentials vulnerability could allow attackers to obtain user credentials due to weak protection mechanisms.
The MetForm - Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 3.8.8 via the. 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.
The Advanced Contact form 7 DB plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.0.2 via the wp-content/uploads/advanced-cf7-upload. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Insertion of sensitive information into sent data issue exists in Cybozu Garoon 5.0.0 to 5.15.2. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper handling of extra values issue exists in Cybozu Garoon 5.0.0 to 5.15.2. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Insertion of sensitive information into sent data issue exists in Cybozu Garoon 5.5.0 to 6.0.0, which may allow a user who can log in to the product to view the data of Scheduler. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Insertion of sensitive information into sent data issue exists in Cybozu Garoon 5.0.0 to 5.15.0. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
On Unix, SAP BusinessObjects Business Intelligence Platform (Scheduling) allows an authenticated attacker with administrator access on the local server to access the password of a local account. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
SAP NetWeaver AS Java (CAF - Guided Procedures) allows an unauthenticated user to access non-sensitive information about the server which would otherwise be restricted causing low impact on. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Custom Field Template plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.6.1 via the 'cft' shortcode. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.
SQL-Injection in Harbor allows priviledge users to leak the task IDs. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
@grpc/grps-js implements the core functionality of gRPC purely in JavaScript, without a C++ addon. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Import functionality is vulnerable to DNS rebinding attacks between verification and processing of the URL. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A security agent link following vulnerability in Trend Micro Apex One and Apex One as a Service could allow a local attacker to disclose sensitive information about the agent on affected. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A link following vulnerability in the Trend Micro Apex One and Apex One as a Service Damage Cleanup Engine could allow a local attacker to create a denial-of-service condition on affected. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Pexip Infinity before 34.1 has Improper Access Control for persons in a waiting room. Rated medium severity (CVSS 4.3), 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 6.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed with improved handling of temporary files. 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 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 high severity (CVSS 7.8), 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 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed through improved state management. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved environment sanitization. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.