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VULNERABILITIES

CVE-2026-121621 Details

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.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-121621 [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2565914 [email protected]
https://github.com/argoproj-labs/argocd-image-updater/pull/1905 [email protected]
https://redhat.atlassian.net/browse/GITOPS-11907 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-121621
NVD Published Date:
Nov 3, 2026
NVD Last Modified:
Nov 6, 2026
Source:
[email protected]
CVE-2026-121621 Details - Not Deferred