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Vulnerabilities CVE-2026-15416

CVE-2026-15416

High
Open
TLP:CLEAR

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

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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.

Details

CVSS Score
8.9
EPSS Score
0.28%

20.4th percentile

CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Confidence
90%
Published
Jul 14, 2026
Last Modified
Aug 11, 2026
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