LibreChat <= 0.7.9 - HTML Injection via Accept-Language Header

danny-avila/librechat 0.7.9 contains a stored XSS caused by improper sanitization of the Accept-Language header, letting logged-in users inject arbitrary HTML into the html lang= tag, exploit requires user to be logged in. id: CVE-2025-8848 info: name: LibreChat marker"...

CVE-2026-111902

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability in isFaqAccessibleForUser that treats a missing FAQ translation as visible to unauthenticated users. Attackers can send a mismatched Accept-Language header to the comments and attachments API endpoints to read...

CVE-2026-111902 phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass via Comments and Attachments API

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability in isFaqAccessibleForUser that treats a missing FAQ translation as visible to unauthenticated users. Attackers can send a mismatched Accept-Language header to the comments and attachments API endpoints to read...

CVE-2026-111902

The phpMyFAQ software (versions 4.2.0-alpha before 4.2.0-beta ) is vulnerable to an authorization bypass in the isFaqAccessibleForUser() function. The root cause is that the system incorrectly treats missing FAQ translations as visible to unauthenticated users. By sending a mismatched Accept-Lang...

CVE-2026-111902 phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass via Comments and Attachments API

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability in isFaqAccessibleForUser that treats a missing FAQ translation as visible to unauthenticated users. Attackers can send a mismatched Accept-Language header to the comments and attachments API endpoints to read...

CVE-2020-27223

CVE-2020-27223 Using $ mvn spring-boot:run 9.4.36.v20210114 $ ./poc/cve-2020-27223-poc1.sh "timens":"58,557","acceptlanguage":"aab" real 0m0.093s 🐇 user 0m0.006s sys 0m0.007s "timens":"18,461,763,438","acceptlanguage":"ahn" real 0m35.339s 🐢 user 0m0.006s sys 0m0.006s 9.4.37.v20210219 Fixed $...

PT-2026-116472

Name of the Vulnerable Software and Affected Versions phpMyFAQ versions 4.2.0-alpha through 4.2.0-beta Description An authorization bypass exists in the isFaqAccessibleForUser function, which incorrectly treats missing FAQ translations as visible to unauthenticated users. By sending a mismatched...

CLEANSTART-2024-IK84393 attacker may cause a denial of service by crafting an Accept-Language header which ParseAcceptLanguage will take significant time to parse

CVE-2022-32149 affects multiple packages. An attacker may cause a denial of service by crafting an Accept-Language header which ParseAcceptLanguage will take significant time to parse. See references for individual vulnerability details...

GO-2026-6539 nginx ignition has ParseAcceptLanguage `_` separator bypass that enables ~75x CPU amplification via Accept-Language header in i18nMiddleware in github.com/lucasdillmann/nginx-ignition

nginx ignition has ParseAcceptLanguage separator bypass that enables 75x CPU amplification via Accept-Language header in i18nMiddleware in github.com/lucasdillmann/nginx-ignition...

UBUNTU-CVE-2026-61629

nginx ignition is a user interface for the nginx web server. In versions 2.29.0 through 2.40.0, the gin i18n middleware in nginx-ignition's API server runs in front of every HTTP request and calls golang.org/x/text/language.ParseAcceptLanguage on the raw Accept-Language header without imposing an...

Astra Linux – Vulnerability in golang-golang-x-text

An attacker can cause a denial of service by creating an Accept-Language header that requires ParseAcceptLanguage to take significant time to process...

CVE-2026-73635

A flaw was found in Apache Struts. An unauthenticated remote client can exploit a vulnerability where the framework's localized-text caches grow without bound. This occurs when no fixed locale is configured, and the locale for text lookups is derived from the incoming request. This can lead to th...

CVE-2026-49329

A flaw was found in openshift/oauth-server. The OAuth login and error page endpoints pass the unauthenticated Accept-Language header to golang.org/x/text/language.ParseAcceptLanguage without input validation. A bypass of the CVE-2022-32149 mitigation exists: the upstream guard counts only '-'...

CVE-2026-49329

A flaw in openshift/oauth-server allows an unauthenticated attacker to trigger a quadratic-time denial of service by sending a crafted Accept-Language header using '_' separators to the OAuth login and error page endpoints. The root cause is a bypass of the CVE-2022-32149 mitigation : the upstrea...

CVE-2026-49329 Openshift/oauth-server: openshift/oauth-server: quadratic-time dos via accept-language header underscore bypass on unauthenticated login endpoints

A flaw was found in openshift/oauth-server. The OAuth login and error page endpoints pass the unauthenticated Accept-Language header to golang.org/x/text/language.ParseAcceptLanguage without input validation. A bypass of the CVE-2022-32149 mitigation exists: the upstream guard counts only '-'...

CVE-2026-49329 Openshift/oauth-server: openshift/oauth-server: quadratic-time dos via accept-language header underscore bypass on unauthenticated login endpoints

A flaw was found in openshift/oauth-server. The OAuth login and error page endpoints pass the unauthenticated Accept-Language header to golang.org/x/text/language.ParseAcceptLanguage without input validation. A bypass of the CVE-2022-32149 mitigation exists: the upstream guard counts only '-'...

EUVD-2026-69301

A flaw was found in openshift/oauth-server. The OAuth login and error page endpoints pass the unauthenticated Accept-Language header to golang.org/x/text/language.ParseAcceptLanguage without input validation. A bypass of the CVE-2022-32149 mitigation exists: the upstream guard counts only '-'...

CVE-2026-49329

A flaw was found in openshift/oauth-server. The OAuth login and error page endpoints pass the unauthenticated Accept-Language header to golang.org/x/text/language.ParseAcceptLanguage without input validation. A bypass of the CVE-2022-32149 mitigation exists: the upstream guard counts only '-'...

PT-2026-84296

A flaw was found in openshift/oauth-server. The OAuth login and error page endpoints pass the unauthenticated Accept-Language header to golang.org/x/text/language.ParseAcceptLanguage without input validation. A bypass of the CVE-2022-32149 mitigation exists: the upstream guard counts only '-'...

CVE-2026-79658

Ech0 before 5.0.1 does not impose any size or shape limit on the Accept-Language header processed by its i18n middleware, which runs on every HTTP request. The header is passed unfiltered to go-i18n's NewLocalizer, which internally calls golang.org/x/text/language.ParseAcceptLanguage. The...