Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()
Priority HIGH 69CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.09563 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed cms (craftcms): 4.17.6, 5.9.12craftcms/cms (Packagist): 4.17.6, 5.9.12
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Craft CMS | cms | 4.0.0-RC1 to before 4.17.6; 5.0.0-RC1 to before 5.9.12 | 4.17.6, 5.9.12 | Patch available | CNA |
| — | craftcms/cms (Packagist) | 4.0.0-RC1 to before 4.17.6 | 4.17.6 | Patch available | GHSA-cc7p-2j3x-x7xf |
| — | craftcms/cms (Packagist) | 5.0.0-RC1 to before 5.9.12 | 5.9.12 | Patch available | GHSA-cc7p-2j3x-x7xf |
- cms VendorCraft CMS Affected 4.0.0-RC1 to before 4.17.6; 5.0.0-RC1 to before 5.9.12 Fixed in 4.17.6, 5.9.12 Patch available CNA
- craftcms/cms (Packagist) Vendor— Affected 4.0.0-RC1 to before 4.17.6 Fixed in 4.17.6 Patch available GHSA-cc7p-2j3x-x7xf
- craftcms/cms (Packagist) Vendor— Affected 5.0.0-RC1 to before 5.9.12 Fixed in 5.9.12 Patch available GHSA-cc7p-2j3x-x7xf
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* | 4.0.0.1 to before 4.17.6; 5.0.1 to before 5.9.12 | Vulnerable | Craft CMS |
| cpe:2.3:a:craftcms:craft_cms:4.0.0:-:*:*:*:*:*:* | 4.0.0 | Vulnerable | Craft CMS |
| cpe:2.3:a:craftcms:craft_cms:4.0.0:rc1:*:*:*:*:*:* | 4.0.0 rc1 | Vulnerable | Craft CMS |
| cpe:2.3:a:craftcms:craft_cms:4.0.0:rc2:*:*:*:*:*:* | 4.0.0 rc2 | Vulnerable | Craft CMS |
| cpe:2.3:a:craftcms:craft_cms:4.0.0:rc3:*:*:*:*:*:* | 4.0.0 rc3 | Vulnerable | Craft CMS |
| cpe:2.3:a:craftcms:craft_cms:5.0.0:-:*:*:*:*:*:* | 5.0.0 | Vulnerable | Craft CMS |
| cpe:2.3:a:craftcms:craft_cms:5.0.0:rc1:*:*:*:*:*:* | 5.0.0 rc1 | Vulnerable | Craft CMS |
- cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* Versions 4.0.0.1 to before 4.17.6; 5.0.1 to before 5.9.12 Vulnerable ·Craft CMS
- cpe:2.3:a:craftcms:craft_cms:4.0.0:-:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Craft CMS
- cpe:2.3:a:craftcms:craft_cms:4.0.0:rc1:*:*:*:*:*:* Versions 4.0.0 rc1 Vulnerable ·Craft CMS
- cpe:2.3:a:craftcms:craft_cms:4.0.0:rc2:*:*:*:*:*:* Versions 4.0.0 rc2 Vulnerable ·Craft CMS
- cpe:2.3:a:craftcms:craft_cms:4.0.0:rc3:*:*:*:*:*:* Versions 4.0.0 rc3 Vulnerable ·Craft CMS
- cpe:2.3:a:craftcms:craft_cms:5.0.0:-:*:*:*:*:*:* Versions 5.0.0 Vulnerable ·Craft CMS
- cpe:2.3:a:craftcms:craft_cms:5.0.0:rc1:*:*:*:*:*:* Versions 5.0.0 rc1 Vulnerable ·Craft CMS
Remediation
- Fix · CNA cms (craftcms) Fixed in 4.17.6, 5.9.12
- Fix · GHSA-cc7p-2j3x-x7xf craftcms/cms (Packagist) Fixed in 4.17.6 Advisory →
- Fix · GHSA-cc7p-2j3x-x7xf craftcms/cms (Packagist) Fixed in 5.9.12 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-32267
- 2026-10-03 Alias added: GHSA-cc7p-2j3x-x7xf
- 2026-10-25 EPSS moved to the 95th–99th percentile
References
More Craft Cms vulnerabilities
- TI-2025-23503 Craft CMS Allows Remote Code Execution KEVCVSS 3.1CRITICAL 10.0
- TI-2024-37138 RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms KEVCVSS 4.0CRITICAL 9.3
- TI-2025-16994 Potential RCE with a compromised security key in craft/cms KEVCVSS 3.1HIGH 8.1
- TI-2025-24595 Craft CMS stores user-provided content in session files KEVCVSS 4.0MEDIUM 6.9
- TI-2023-22284 Craft CMS Remote Code Execution vulnerability CVSS 3.1CRITICAL 10.0
- TI-2024-25171 Craft CMS up to v3.7.31 was discovered to contain a SQL injection vulnerability via the GraphQL API endpoint. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-32267 · CVE Program
- CVE-2026-32267 · NVD
- FIRST EPSS
- GHSA-cc7p-2j3x-x7xf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences