NVD security advisoryHigh
High advisory for A command injection vulnerability was fo
CVE-2026-121621 · Reported 3 Nov 2026
Full advisory details, affected packages, severity context, and original source.
Affected technology
A command injection vulnerability was foAffected product
Advisory overview
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.