CVE-2026-43938

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the application's database logger YAFNET.Core/Logger/DbLogger.cs captures the incoming request's User-Agent header into a JObject, serializes it with JsonConvert, and stores the result in the EventLog.Description column...

CVE-2026-43938 YAF.NET: Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the application's database logger YAFNET.Core/Logger/DbLogger.cs captures the incoming request's User-Agent header into a JObject, serializes it with JsonConvert, and stores the result in the EventLog.Description column...

CVE-2026-43938: Improper Neutralization of Input During Web Page Generation

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the application's database logger YAFNET.Core/Logger/DbLogger.cs captures the incoming request's User-Agent header into a JObject, serializes it with JsonConvert, and stores the result in the EventLog.Description column...

LWP::UserAgent 安全漏洞

LWP::UserAgent is a web user agent class open source from libwww-perl, used for sending HTTP requests. Versions of LWP::UserAgent prior to version 6.83 have security vulnerabilities. These vulnerabilities stem from improper handling of the Authorization and Proxy-Authorization headers during...

YAFNET 跨站脚本漏洞

YAFNET is an ASP.NET open-source forum solution developed by YAFNET’s developers. Versions of YAFNET prior to 4.0.5 and 3.2.12 contained a cross-site scripting vulnerability. This vulnerability stemmed from the database logging mechanism serializing user agent headers as JSON without encoding the...

GHSA-289F-FQ7W-6Q2W phpMyFAQ has unauthenticated SQL injection via User-Agent header in BuiltinCaptcha

Summary BuiltinCaptcha::garbageCollector and BuiltinCaptcha::saveCaptcha at phpmyfaq/src/phpMyFAQ/Captcha/BuiltinCaptcha.php:298 and :330 interpolate the User-Agent header and client IP address into DELETE and INSERT queries with sprintf and no escaping. Both methods run on every hit to the publi...

phpMyFAQ has unauthenticated SQL injection via User-Agent header in BuiltinCaptcha

Summary BuiltinCaptcha::garbageCollector and BuiltinCaptcha::saveCaptcha at phpmyfaq/src/phpMyFAQ/Captcha/BuiltinCaptcha.php:298 and :330 interpolate the User-Agent header and client IP address into DELETE and INSERT queries with sprintf and no escaping. Both methods run on every hit to the publi...

PT-2026-41474

Summary BuiltinCaptcha::garbageCollector and BuiltinCaptcha::saveCaptcha at phpmyfaq/src/phpMyFAQ/Captcha/BuiltinCaptcha.php:298 and :330 interpolate the User-Agent header and client IP address into DELETE and INSERT queries with sprintf and no escaping. Both methods run on every hit to the publi...

PT-2026-41366

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions prior to 4.1.2 Description An unauthenticated SQL injection exists in the BuiltinCaptcha::garbageCollector and BuiltinCaptcha::saveCaptcha methods. The issue occurs when unsanitized User-Agent headers are interpolated into...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the User-Agent header being logged and later rendered in the admin event log interface without proper output encoding. An attacker can execute arbitrary JavaScript in an administrator's browser by submitting...

YAFNET has Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header

Description: Stored second-order Cross-Site Scripting XSS occurs when attacker-controlled input is persisted through one component of an application and later rendered, without proper sanitization or contextual output encoding, by a completely different component — often one that implicitly trust...

GHSA-33GV-FC78-QGF5 YAFNET has Unauthenticated Stored Second-Order XSS in Admin Event Log via Reflected `User-Agent` Header

Description: Stored second-order Cross-Site Scripting XSS occurs when attacker-controlled input is persisted through one component of an application and later rendered, without proper sanitization or contextual output encoding, by a completely different component — often one that implicitly trust...

PT-2026-37309

Name of the Vulnerable Software and Affected Versions YetAnotherForum.NET YAF.NET versions prior to 4.0.5 YetAnotherForum.NET YAF.NET versions prior to 3.2.12 Description Stored Cross-Site Scripting XSS occurs when attacker-controlled input is persisted and later rendered without proper...

BIT-OAUTH2-PROXY-2026-34457 OAuth2 Proxy: Health Check User-Agent Matching Bypasses Authentication in auth_request Mode

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions prior to 7.15.2 contain a configuration-dependent authentication bypass in deployments where OAuth2 Proxy is used with an authrequest-style integration such as nginx authrequest and either...

CVE-2026-34457

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions prior to 7.15.2 contain a configuration-dependent authentication bypass in deployments where OAuth2 Proxy is used with an authrequest-style integration such as nginx authrequest and either...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation via the isHealthCheckRequest function in pkg/middleware/healthcheck.go. An attacker can reach protected endpoints by sending a request with a configured health-check User-Agent, causing the middleware to treat the...

EUVD-2026-22761

OAuth2 Proxy's Health Check User-Agent Matching Bypasses Authentication in authrequest Mode...

GHSA-5HVV-M4W4-GF6V OAuth2 Proxy's Health Check User-Agent Matching Bypasses Authentication in auth_request Mode

Impact A configuration-dependent authentication bypass exists in OAuth2 Proxy. Deployments are affected when all of the following are true: - OAuth2 Proxy is used with an authrequest-style integration for example, nginx authrequest - --ping-user-agent is set or --gcp-healthchecks is enabled In...

OAuth2 Proxy's Health Check User-Agent Matching Bypasses Authentication in auth_request Mode

Impact A configuration-dependent authentication bypass exists in OAuth2 Proxy. Deployments are affected when all of the following are true: - OAuth2 Proxy is used with an authrequest-style integration for example, nginx authrequest - --ping-user-agent is set or --gcp-healthchecks is enabled In...

CVE-2026-34457 OAuth2 Proxy: Health Check User-Agent Matching Bypasses Authentication in auth_request Mode

OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions prior to 7.15.2 contain a configuration-dependent authentication bypass in deployments where OAuth2 Proxy is used with an authrequest-style integration such as nginx authrequest and either...