{"id":"CVE-2026-2994","aliases":["GHSA-6mxw-2vhf-42g5"],"url":"https://o3.security/vulnerability/CVE-2026-2994","summary":"Concrete CMS below 9.4.8 is vulnerable to CSRF by a Rogue Admin using the Anti-Spam Allowlist Group","details":"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 vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks z3rco for reporting","published":"2026-03-04T02:18:31.326Z","modified":"2026-08-12T03:51:09.746704015Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"concrete5/concrete5","fixedVersion":"9.4.8"}],"fix":{"url":"https://github.com/concretecms/concretecms/pull/12826","label":"concretecms/concretecms#12826"},"references":[{"type":"WEB","url":"https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2994.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2994"},{"type":"FIX","url":"https://github.com/concretecms/concretecms/pull/12826"},{"type":"PACKAGE","url":"https://github.com/concretecms/concretecms"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:09.746704015Z"}}