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 (68830)
Insertion of Sensitive Information Into Sent Data vulnerability in Jack Arturo WP Fusion Lite wp-fusion-lite allows Retrieve Embedded Sensitive Data.42.10. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Insertion of Sensitive Information into Log File vulnerability in Frédéric GILLES FG Joomla to WordPress.20.2. 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 vulnerability in DevItems HT Mega ht-mega-for-elementor.4.7. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in ThemeHigh Email Customizer for WooCommerce.6.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in E4J s.R.L. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in vinoth06. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in StreamWeasels StreamWeasels Twitch Integration.7.8. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Telemetry Dashboard v1.0.0.7 for Dell ThinOS 2402 contains a sensitive information disclosure vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Insertion of sensitive information into log file issue exists in RoamWiFi R10 prior to 4.8.45. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Conform, a type-safe form validation library, allows the parsing of nested objects in the form of `object.property`. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), 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.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), 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.
A vulnerability was found in EZVIZ CS-C6-21WFR-8 5.2.7 Build 170628. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
A vulnerability was found in Hualai Xiaofang iSC5 3.2.2_112 and classified as problematic. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), 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.
The Tillitis TKey signer device application is an ed25519 signing tool. Rated low severity (CVSS 2.2). No vendor patch available.
An issue in Flipsnack v.18/03/2024 allows a local attacker to obtain sensitive information via the reader.gz.js file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
PX4 Autopilot v.1.14 allows an attacker to fly the drone into no-fly zones by breaching the geofence using flaws in the function. Rated medium severity (CVSS 5.6). Public exploit code available.
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate the parameters of bo mapping operations more clearly Verify the parameters of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A key used in logging.json does not follow the least privilege principle by default and is exposed to local users in the Rapid7 Platform. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.
Unquoted Search Path or Element vulnerability in Logitech MEVO WEBCAM APP on Windows allows Local Execution of Code. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Session Hijacking vulnerability in Hitachi Ops Center Analyzer.0.0-00 before 11.0.1-00. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Bkav Home v7816, build 2403161130 is vulnerable to a Memory Information Leak vulnerability by triggering the 0x222240 IOCTL code of the BkavSDFlt.sys driver. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
FreeRDP is a free implementation of the Remote Desktop Protocol. 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.
FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
H3C ER8300G2-X is vulnerable to Incorrect Access Control. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Incorrect access control in Tormach xsTECH CNC Router, PathPilot Controller v2.9.6 allows attackers to access the G code's shared folder and view sensitive information. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper Certificate Validation vulnerability in Apache Airflow FTP Provider. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in Keenetic KN-1010, KN-1410, KN-1711, KN-1810 and KN-1910 up to 4.1.2.15. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in Keenetic KN-1010, KN-1410, KN-1711, KN-1810 and KN-1910 up to 4.1.2.15. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Unitronics Vision Standard line of controllers allow the Information Mode password to be retrieved without authentication. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Pytorch before v2.2.0 has an Out-of-bounds Read vulnerability via the component torch/csrc/jit/mobile/flatbuffer_loader.cpp. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, low attack complexity.
The adapter @hono/node-server allows you to run your Hono application on Node.js. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A vulnerability, which was classified as problematic, has been found in COVESA vsomeip up to 3.4.10. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on a detached repository by making a GraphQL mutation to alter repository permissions while the. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable. No vendor patch available.
An issue was discovered in Italtel Embrace 1.6.4. 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.
Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Git Credential Manager (GCM) is a secure Git credential helper. Rated medium severity (CVSS 6.9). No vendor patch available.
When a Brocade SANnav installation is upgraded from Brocade SANnav v2.2.2 to Brocade SANnav 2.3.0, TLS/SSL weak message authentication code ciphers are added by default for port 18082. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An information disclosure vulnerability exists in Brocade SANnav before v2.3.1 and v2.3.0a when Brocade SANnav instances are configured in disaster recovery mode. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In Brocade SANnav before v2.3.1, and v2.3.0a, it is possible to back up the appliance from the web interface or the command line interface ("SSH"). Rated medium severity (CVSS 5.9), this vulnerability is low attack complexity. No vendor patch available.
Brocade SANnav versions before v2.3.0a do not correctly set permissions on files, including docker files. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability affects Brocade SANnav before v2.3.1 and v2.3.0a. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability in Brocade SANnav before v2.3.1 and v2.3.0a prints Brocade Fabric OS switch encrypted passwords in the Brocade SANnav Standby node's support save. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability in Brocade SANnav before v2.3.1 and v2.3.0a prints the encryption key in the console when a privileged user executes the script to replace the Brocade SANnav Management Portal standby. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
When Brocade SANnav before v2.3.1 and v2.3.0a servers are configured in Disaster Recovery mode, the encryption key is stored in the DR log files. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An Use-after-free vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows a remote authenticated attacker to execute arbitrary commands as SYSTEM. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A Race Condition (TOCTOU) vulnerability in web component of Ivanti Avalanche before 6.4.3 allows a remote authenticated attacker to execute arbitrary commands as SYSTEM. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
A Race Condition (TOCTOU) vulnerability in web component of Ivanti Avalanche before 6.4.3 allows a remote authenticated attacker to execute arbitrary commands as SYSTEM. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
An out-of-bounds read vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an authenticated remote attacker to read sensitive information in. 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 WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows an authenticated remote attacker to perform denial of service attacks. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
An out-of-bounds read vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an unauthenticated remote attacker to read sensitive information. 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 vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an unauthenticated remote attacker to read sensitive information. 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 vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an unauthenticated remote attacker to read sensitive information. 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 vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an unauthenticated remote attacker to read sensitive information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Electrolink transmitters store credentials in clear-text. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The application is vulnerable to an unauthenticated parameter manipulation that allows an attacker to set the credentials to blank giving her access to the admin panel. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Sentry is an error tracking and performance monitoring platform. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
Microsoft Edge (Chromium-based) Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Microsoft Edge for Android (Chromium-based) Information Disclosure Vulnerability. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
HCL Connections contains a user enumeration vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A local attacker can erscalate privileges on affected Check Point ZoneAlarm ExtremeSecurity NextGen, Identity Agent for Windows, and Identity Agent for Windows Terminal Server. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.
Envoy is a cloud-native, open source edge and service proxy. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
1Panel is an open source Linux server operation and maintenance management panel. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Insertion of Sensitive Information into Log File vulnerability in Inisev Backup Migration.4.3. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: inet: inet_defrag: prevent sk release while still in use ip_local_out() and other functions can pass skb->sk as function argument. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Airflow versions 2.7.0 through 2.8.4 have a vulnerability that allows an authenticated user to see sensitive provider configuration via the "configuration" UI page when "non-sensitive-only" was set. Rated medium severity (CVSS 4.3), 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.
A vulnerability in Brocade SANnav before v2.3.1 and v2.3.0a prints the Brocade SANnav password in clear text in supportsave logs when a user schedules a switch Supportsave from Brocade SANnav. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in Dromara open-capacity-platform 2.0.1. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability in Brocade SANnav before v2.3.1 and v2.3.0a could allow a privileged user to print the SANnav encrypted key in PostgreSQL startup logs. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability in Brocade SANnav before v2.3.1 and v2.3.0a could allow an authenticated user to print the Auth, Priv, and SSL key store passwords in unencrypted logs by manipulating command. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Brocade SANnav before v2.3.1 and v2.3.0a uses the SHA-1 hash in internal SSH ports that are not open to remote connection. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. No vendor patch available.
CMSeasy 7.7.7.9 is vulnerable to Arbitrary file deletion. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Pytorch before version v2.2.0 was discovered to contain a use-after-free vulnerability in torch/csrc/jit/mobile/interpreter.cpp. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
FFmpeg version n6.1 was discovered to contain an improper validation of array index vulnerability in libavcodec/cbs_h266_syntax_template.c. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The class FileTransfer implemented in Brocade SANnav before v2.3.1, v2.3.0a, uses the ssh-rsa signature scheme, which has a SHA-1 hash. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Ironic-image is an OpenStack Ironic deployment packaged and configured by Metal3. Rated medium severity (CVSS 4.7). No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: tracing/trigger: Fix to return error if failed to alloc snapshot Fix register_snapshot_trigger() to return error code if it failed. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: usb: ulpi: Fix debugfs directory leak The ULPI per-device debugfs root is named after the ulpi device's parent, but. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: PCI: Fix active state requirement in PME polling The commit noted in fixes added a bogus requirement that runtime PM managed. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock" This reverts commit 1a1975551943f681772720f639ff42fbaa746212. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: Revert "drm/amd: flush any delayed gfxoff on suspend entry" commit ab4750332dbe ("drm/amdgpu/sdma5.2: add begin/end_use ring. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dcn35 8k30 Underflow/Corruption Issue [why] odm calculation is missing for pipe split policy determination and. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: drm/buddy: Fix alloc_range() error handling code Few users have observed display corruption when they boot the machine to KDE. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix performance regression in swap operation The patch "netfilter: ipset: fix race condition between swap/destroy. Rated medium severity (CVSS 4.7).
Tenda W30E v1.0 V1.0.1.25(633) firmware has a stack overflow vulnerability located via the page parameter in the fromVirtualSer function. 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 flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. Rated high severity (CVSS 7.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.