CVE-2026-121621
High · 8.8CVSS
8.8
EPSS
1.8%
Published
Nov 3, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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