---
title: "CVE-2026-59960: Argos JavaScript - Command Injection"
description: "Argos JavaScript core package < 6.2.1 contains a command injection caused by untrusted CI branch or ref values interpolated into execSync() shell commands, letting attackers execute arbitrary commands with CI runner privileges, exploit requires attacker-controlled CI branch or ref."
url: https://panop.io/threat-heartbeat/CVE-2026-59960/
---

# CVE-2026-59960 Argos JavaScript - Command Injection

Argos JavaScript core package < 6.2.1 contains a command injection caused by untrusted CI branch or ref values interpolated into execSync() shell commands, letting attackers execute arbitrary commands with CI runner privileges, exploit requires attacker-controlled CI branch or ref.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.64% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-59960)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

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

Published

14 September 2026

Updated

15 October 2026

Weakness

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

## Vendor fix

Update to Argos core package version 6.2.1 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-2026-59960](https://nvd.nist.gov/vuln/detail/CVE-2026-59960)
- [https://github.com/argos-ci/argos-javascript/security/advisories/GHSA-4x45-gxvp-6283](https://github.com/argos-ci/argos-javascript/security/advisories/GHSA-4x45-gxvp-6283)
- [https://github.com/argos-ci/argos-javascript/commit/8355f3af3be3f4fe361d58a688d21535cf672717](https://github.com/argos-ci/argos-javascript/commit/8355f3af3be3f4fe361d58a688d21535cf672717)
- [https://github.com/argos-ci/argos-javascript/pull/319](https://github.com/argos-ci/argos-javascript/pull/319)
- [https://github.com/argos-ci/argos-javascript/releases/tag/@argos-ci/core@6.2.1](https://github.com/argos-ci/argos-javascript/releases/tag/@argos-ci/core@6.2.1)

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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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