Description
A remote, authenticated, non-admin Craft CMS Control Panel user with only the accessCp permission can execute operating system commands as the PHP web worker.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| craftcms | cms | 5.8.0 – < 5.10.13 | 5.10.13 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
y3g1/CraftCMS-CVE-2026-79987 ★ 0 · Oct 12, 2026
Independent public PoC for CVE-2026-79987 — Craft CMS 5.9.0–5.10.12 authenticated RCE. Patch-analysis n-day implementation, verified on vanilla lab. Advisory: GHSA-9c4j-cjw3-r3xx
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://www.hckrt.com/hacktivity/HCKRT-9TSYY2 third-party-advisory technical-description mitigation
- https://github.com/craftcms/cms/releases/tag/5.10.13 release-notes
- https://github.com/craftcms/cms product
- https://github.com/craftcms/cms/security/advisories/GHSA-9c4j-cjw3-r3xx third-party-advisory