CVE-2026-121621

HighCVSS 8.8/10Last modified Nov 6, 2026

Description

A command injection vulnerability was found in Argo CD Image Updater, where a proxy URL configured on an SSH Git repository is passed unsanitized into a shell-interpreted SSH command. An attacker able to set a malicious proxy value can inject shell metacharacters to execute arbitrary commands and access credentials in the context of the Image Updater process.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
——< 1.4.1
Red HatRed Hat OpenShift GitOps—
Red HatRed Hat OpenShift GitOps—

References

Timeline

Published
Nov 3, 2026
Last modified
Nov 6, 2026
NVD status
Awaiting Analysis

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CVE-2026-121621: High severity, CVSS 8.8 | Vulnix