Review reviewHigh

CVE-2026-15416

argoproj argo-helm, Red Hat Openshift Data Foundation 4, Red Hat OpenShift GitOps

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.

CVSS: 8.9
EPSS: 0.28%
CISA KEV: Not listed
Published: 2026.07.14

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.28%

Technical severityCVSS 8.9

Vulnerability overview

Affected product and versions

Product: argoproj argo-helm, Red Hat Openshift Data Foundation 4, Red Hat OpenShift GitOps
Affected versions: < 10.0.0
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that argoproj argo-helm, Red Hat Openshift Data Foundation 4, Red Hat OpenShift GitOps and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
CWE: CWE-306