Servers and applications
GHSA-v4q3-2g5g-wjj6
Low privilege condition filter escapes Twig sandbox, recovers "securityKey" and reaches RCE
- Severity
- High
- Published
- 23 Oct 2026
- Last changed
- 23 Oct 2026
- Added to UpHeron
- 3 Nov 2026
- Fixed in
- 4.18.9, 5.11.2
- Sources
- Project advisories (GitHub)
Affected software
| Software | Affected versions |
|---|---|
Craft CMSServers and applications · github:craftcms/cms |
|
References
- GitHub Advisory Database https://github.com/advisories/GHSA-v4q3-2g5g-wjj6
- github.com https://github.com/craftcms/cms/security/advisories/GHSA-v4q3-2g5g-wjj6