CVE-2026-15416
HIGH SEVERITYCVSS Score & Metrics
Base Score
8.9 / 10
Vector String
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Vulnerability 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.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-306
Source
NVD
Vendor
argoproj, Red Hat
Product
argo-helm, Red Hat Openshift Data Foundation 4, Red Hat OpenShift GitOps
External References
- https://access.redhat.com/security/cve/CVE-2026-15416
- https://bugzilla.redhat.com/show_bug.cgi?id=2496732
- https://github.com/argoproj/argo-helm/commit/0f245ab
- https://github.com/argoproj/argo-helm/security/advisories/GHSA-47m3-95c7-g2g8
- https://thehackernews.com/2026/07/unpatched-argo-cd-repo-server-flaw.html
- https://www.synacktiv.com/en/publications/caught-in-the-octopus-trap-unauthenticated-rce-in-argo-cd-with-codeql
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