Vulnerability · Published Mar 16, 2026 · Assigned by GitHub_M

CVE-2026-32267Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()

High 7.7

In plain English

A high-severity incorrect authorization in cms from craftcms. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 9.6% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.7High
Exploit odds (30 days)9.6%top 4.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistcraftcms/cms4.17.6GHSA-cc7p-2j3x-x7xf
Packagistcraftcms/cms5.9.12GHSA-cc7p-2j3x-x7xf

Affected products (as reported)

VendorProductVersions
craftcms cms >= 4.0.0-RC1, < 4.17.6>= 5.0.0-RC1, < 5.9.12

Weakness: CWE-863 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References