CVE-2026-15416: argoproj argo-helm
Vulnerability summary
CVE-2026-15416 is a high (CVSS 8.9) vulnerability in argoproj argo-helm. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39% of scored vulnerabilities.
Timeline
- 14-07-2026PublishedVulnerability first disclosed.
- 11-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.9HighCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
+0.02 pp
From 0.44% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Argoproj1 product
- argo-helm< 10.0.0
1 vendor · 1 product