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 $...

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"...

EUVD-2026-110508

WWBN AVideo before 29.5.0 contains a local file inclusion vulnerability that allows unauthenticated attackers to include PHP files outside the locale directory via a crafted Accept-Language header. Attackers can use overlapping traversal sequences like ....// to bypass single-pass removal in...

CVE-2026-116800

WWBN AVideo versions before 29.5.0 are vulnerable to a Local PHP File Inclusion vulnerability. An unauthenticated attacker can exploit a flaw in the setLanguage() function by providing a crafted Accept-Language header using overlapping traversal sequences like ....// . This allows the attacker to...

Linux Distros Unpatched Vulnerability : CVE-2026-113877

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolat...

DEBIAN-CVE-2026-113877

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolates each Accept-Language range into the pattern /^$range-/i without escaping it, so regular expression syntax in the header reaches the...

CVE-2026-113877

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolates each Accept-Language range into the pattern /^$range-/i without escaping it, so regular expression syntax in the header reaches the...

CVE-2026-113877

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolates each Accept-Language range into the pattern /^$range-/i without escaping it, so regular expression syntax in the header reaches the...

CVE-2026-113877 HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolates each Accept-Language range into the pattern /^$range-/i without escaping it, so regular expression syntax in the header reaches the...

EUVD-2026-109147

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolates each Accept-Language range into the pattern /^$range-/i without escaping it, so regular expression syntax in the header reaches the...

CVE-2026-113877

The HTTP::Headers::ActionPack module for Perl (versions before 0.10 ) is vulnerable to CPU exhaustion via the Accept-Language header. The root cause is that the _language_match function interpolates ranges into a regular expression pattern without proper escaping, allowing attackers to inject com...

CVE-2026-113877 HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions

HTTP::Headers::ActionPack versions before 0.10 for Perl allow CPU exhaustion via Accept-Language ranges matched as regular expressions. languagematch interpolates each Accept-Language range into the pattern /^$range-/i without escaping it, so regular expression syntax in the header reaches the...

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

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-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: Authorization Bypass Through User-Controlled Key

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...

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...