---
title: "CVE-2026-55797: Argo CD - Command Injection"
description: "Argo CD 2.11.0 to 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2 contains a command injection caused by unneutralized shell metacharacters in SSH ProxyCommand during Git repository operations, letting users with repository creation/update privileges execute commands on repo-server."
url: https://panop.io/threat-heartbeat/CVE-2026-55797/
---

# CVE-2026-55797 Argo CD - Command Injection

Argo CD 2.11.0 to 3.3.15, 3.4.10, 3.5.4, and 3.6.0-rc2 contains a command injection caused by unneutralized shell metacharacters in SSH ProxyCommand during Git repository operations, letting users with repository creation/update privileges execute commands on repo-server.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

1.55% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-55797)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

9 October 2026

Updated

15 October 2026

Weakness

[CWE-78](https://cwe.mitre.org/data/definitions/78.html)

## Vendor fix

Update to versions 3.3.15, 3.4.10, 3.5.4, 3.6.0-rc2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-55797](https://nvd.nist.gov/vuln/detail/CVE-2026-55797)
- [https://github.com/argoproj/argo-cd/releases/tag/v3.5.4](https://github.com/argoproj/argo-cd/releases/tag/v3.5.4)
- [https://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2](https://github.com/argoproj/argo-cd/releases/tag/v3.6.0-rc2)
- [https://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch](https://github.com/argoproj/argo-cd/security/advisories/GHSA-j6cw-g6p4-7hch)
- [https://github.com/argoproj/argo-cd/commit/1e3ddd0b7250aa23f489956b5fab8c13d0493a9f](https://github.com/argoproj/argo-cd/commit/1e3ddd0b7250aa23f489956b5fab8c13d0493a9f)
- [https://github.com/argoproj/argo-cd/commit/9b27aeb1a4fb15d11a0f01cad65dea1fdfc60205](https://github.com/argoproj/argo-cd/commit/9b27aeb1a4fb15d11a0f01cad65dea1fdfc60205)
- [https://github.com/argoproj/argo-cd/pull/15864](https://github.com/argoproj/argo-cd/pull/15864)
- [https://github.com/argoproj/argo-cd/releases/tag/v3.3.15](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/v3.4.10)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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