RCE in Craftcms Cms

CVE-2026-31857

Craft is a content management system (CMS). Prior to 5.9.9 and 4.17.4, a Remote Code Execution vulnerability exists in the Craft CMS 5 conditions system. The BaseElementSelectConditionRule::getElementIds() method passes user-controlled str…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.001 (33.4th percentile) — read the EPSS interpretation.

Affected products

Craftcms Cms — versions >= 5.0.0-RC1, < 5.9.9, >= 4.0.0-beta.1, < 4.17.4

Weakness classification (CWE)

CWE-94 — Code Injection

References

https://github.com/craftcms/cms/security/advisories/GHSA-fp5j-j7j4-mcxc (x_refsource_CONFIRM)
https://github.com/craftcms/cms/commit/8d4903647dcfd31b8d40ed027e27082013347a80 (x_refsource_MISC)