CVE-2026-2994

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

GHSA-6MXW-2VHF-42G5 Concrete CMS vulnerable to Cross-Site Request Forgery (CSRF)

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team thanks z3rco for...

Concrete CMS vulnerable to Cross-Site Request Forgery (CSRF)

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team thanks z3rco for...

EUVD-2026-9357

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

CVE-2026-2994

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

CVE-2026-2994 Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

CVE-2026-2994

Concrete CMS versions prior to 9.4.8 are vulnerable to CSRF via the Anti-Spam Allowlist Group Configuration (group_id parameter). The root cause is that changes are saved before CSRF token validation, enabling a Rogue Administrator to bypass CSRF protections. Affected software: Concrete CMS

CVE-2026-2994

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

CVE-2026-2994 Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

PT-2026-22864

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via group id parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabili...

CVE-2026-2994: Cross-Site Request Forgery (CSRF)

Concrete CMS below version 9.4.8 is subject to CSRF by a Rogue Administrator using the Anti-Spam Allowlist Group Configuration via groupid parameter which can leads to a security bypass since changes are saved prior to checking the CSRF token. The Concrete CMS security team gave this vulnerabilit...

Concrete CMS security vulnerabilities

Concrete CMS is an open-source content management system designed for teams. Versions of Concrete CMS prior to 9.4.8 contained a security vulnerability. This vulnerability stemmed from cross-site request forgery involving the groupid parameter in the Anti-Spam Allowlist Group Configuration, which...