High 8.9Published Jul 14, 2026

CVE-2026-15416Argo-cd: argo cd unauthenticated remote code execution in repo-server via generatemanifest grpc endpoint

Updated under an hour ago (Oct 27, 2026, 1:50 AM ET)

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It affects argoproj argo-helm and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for argoproj argo-helm

Exploited in the last 30 days

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 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Awaiting Analysis
Record last updated: Aug 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

argoproj argo-helm argoproj:argo_helm (from the name)	before 10.0.0	CNA record
Red Hat Red Hat OpenShift GitOps 1.19 redhat:openshift_gitops	from 1785149260 not affected	CNA record
Red Hat Red Hat Openshift Data Foundation 4 redhat:openshift_data_foundation	4	CNA record

References

References

https://access.redhat.com/errata/RHSA-2026:52857	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2026-15416	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2496732	issue-tracking, x-refsource-redhat
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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.