CVE-2026-121621
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Red Hat OpenShift GitOps
PublishedNov 3, 2026
First seenNov 4, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat OpenShift GitOps | No range specified | — |
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