Auth bypass in Craftcms Cms
CVE-2026-32267
Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.6 and from version 5.0.0-RC1 to before version 5.9.12, a low-privilege user (or an unauthenticated user who has been sent a shared URL) can escalate their privileges to admin by abusing UsersController->actionImpersonateWithToken. This issue has been patched in versions 4.17.6 and 5.9.12.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (39.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.077 · newest: 0.005 · change: -0.072
Affected products
- Craftcms Cms — versions >= 4.0.0-RC1, < 4.17.6, >= 5.0.0-RC1, < 5.9.12
- Craftcms Craft Cms — versions 4.0.0, 5.0.0
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-cc7p-2j3x-x7xf (Exploit, Patch, Vendor Advisory)
- github.com/craftcms/cms/commit/6301e217c5f15617d939c432cb770db50af14b33 (Patch)
Frequently asked questions
- What is CVE-2026-32267?
- CVE-2026-32267 is a critical-severity vulnerability in Craftcms Cms, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2026-03-16.
- How severe is CVE-2026-32267?
- Critical severity. CVSS v3 base score is 9.8 out of 10.