HIGHCVSS v3.1 8.8Vulnerability

CVE-2026-121621

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.

Properties

Severity
HIGH
Nvd fetched at
2026-11-03T21:24:30.963596+00:00
Cvss severity
HIGH
Cvss score
8.8
Retrieved at
2026-11-03T21:25:36+00:00
Score
8.8
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-121621
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-03T21:21:12+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-11-03T21:17:37.857
Last modified
2026-11-03T21:17:37.980

Related Entities (1)

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CVE-2026-121621 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal