CVE-2026-15416
HIGH
8.9
CVSS 3.1
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.
Metadata
Severity & Metrics
8.9
HIGH CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Affected products (13)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| argoproj | argo-helm | — | 0 < 10.0.0 |
| Red Hat | Red Hat Openshift Data Foundation 4 | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
| Red Hat | Red Hat OpenShift GitOps | — | — |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-306 | cna | Missing Authentication for Critical Function |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.9 | HIGH | 3.1 | cna | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L |
References (6)
- https://access.redhat.com/security/cve/CVE-2026-15416
- RHBZ#2496732 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