Description
A flaw was identified in Argo CD, the GitOps engine used by Red Hat OpenShift GitOps, that could allow an unauthenticated attacker with network access to the Argo CD repo-server to achieve remote code execution. Under certain conditions, the attacker may then manipulate cached data to deploy malicious Kubernetes resources to managed clusters, potentially resulting in complete cluster compromise.
Problem types
Missing Authentication for Critical Function
Product status
Any version before 10.0.0
Timeline
| 2026-07-03: | Reported to Red Hat. |
| 2026-07-01: | Made public. |
References
access.redhat.com/security/cve/CVE-2026-15416
bugzilla.redhat.com/show_bug.cgi?id=2496732 (RHBZ#2496732)
github.com/argoproj/argo-helm/commit/0f245ab
github.com/...o-helm/security/advisories/GHSA-47m3-95c7-g2g8
thehackernews.com/...unpatched-argo-cd-repo-server-flaw.html
www.synacktiv.com/...uthenticated-rce-in-argo-cd-with-codeql