CVE-2026-2994
Concrete CMS vulnerable to Cross-Site Request Forgery (CSRF)
EPSS 0.01%
Description
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 thanks z3rco for reporting
How to fix CVE-2026-2994
To remediate CVE-2026-2994, upgrade the affected package to a fixed version below.
- Packagist/concrete5/concrete5—upgrade to 9.4.8 or later
Is CVE-2026-2994 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 9.4.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |