Servers and applications
CVE-2026-77459
AppProject restrictions bypassed by PreDelete/PostDelete resource hooks
- Severity
- Critical 9.9
- Published
- 7 Oct 2026
- Last changed
- 14 Oct 2026
- Added to UpHeron
- 3 Nov 2026
- Fixed in
- 3.3.15, 3.4.10, 3.5.4, 3.6.0-rc2
- Also known as
- GHSA-fmxq-cgp8-87wp
- Sources
- CVE Program, Project advisories (GitHub)
Description
Argo CD: AppProject destination-namespace and resource restrictions bypassed by PreDelete/PostDelete resource hooks
Affected software
| Software | Affected versions |
|---|---|
Argo CDServers and applications · cna:argoproj|argo-cd |
|
Argo CDServers and applications · github:argoproj/argo-cd |
|
References
- CVE.org https://www.cve.org/CVERecord?id=CVE-2026-77459
- GitHub Advisory Database https://github.com/advisories/GHSA-fmxq-cgp8-87wp
- github.com https://github.com/argoproj/argo-cd/security/advisories/GHSA-fmxq-cgp8-87wp