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CVE-2026-55797 Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes

Description

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From 2.11.0 until 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2, the Argo CD repo-server is vulnerable to command injection when it clones, tests, or fetches an SSH Git repository configured with a proxy URL. The proxy host and port are embedded in an SSH ProxyCommand that is executed through a shell without neutralizing shell metacharacters. A user who can create or update a repository or repository credential template can supply a crafted proxy host to execute commands in the repo-server and access its Git, Helm, and OCI credentials. This issue is fixed in versions 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2.

Affected products and versions

Product Affected versions Fixed in
argo-cd 3.6.0-rc1 No fix stated
argo-cd 3.5 3.5.0 → < 3.5.4 3.5.4
argo-cd 3.4 3.4.0 → < 3.4.10 3.4.10
argo-cd 3.0 3.0.0 → < 3.3.15 3.3.15
argo-cd 2.11 2.11.0 → 2.14.21 No fix stated

References

Timeline

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