---
title: "CVE-2026-102826: simple-git - Command Injection"
description: "simple-git < 4.0.0 contains a command injection caused by incomplete rejection of attacker-controlled configuration files via customArgs in git.clone(), letting attackers execute arbitrary Git commands with Node.js process privileges, exploit requires attacker-controlled file readable by the process and attacker-influenced custom arguments."
url: https://panop.io/threat-heartbeat/CVE-2026-102826/
---

# CVE-2026-102826 simple-git - Command Injection

simple-git < 4.0.0 contains a command injection caused by incomplete rejection of attacker-controlled configuration files via customArgs in git.clone(), letting attackers execute arbitrary Git commands with Node.js process privileges, exploit requires attacker-controlled file readable by the process and attacker-influenced custom arguments.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

EPSS

0.46% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102826)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

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

Published

29 September 2026

Updated

15 October 2026

Weakness

[CWE-77](https://cwe.mitre.org/data/definitions/77.html)

## Vendor fix

Update to version 4.0.0 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-2026-102826](https://nvd.nist.gov/vuln/detail/CVE-2026-102826)
- [https://github.com/steveukx/git-js/releases/tag/simple-git@4.0.0](https://github.com/steveukx/git-js/releases/tag/simple-git@4.0.0)
- [https://github.com/steveukx/git-js/security/advisories/GHSA-g4wm-2vf7-vfgr](https://github.com/steveukx/git-js/security/advisories/GHSA-g4wm-2vf7-vfgr)
- [https://github.com/steveukx/git-js/commit/98864c678444d9336357c844efa4fd5a7984c0d7](https://github.com/steveukx/git-js/commit/98864c678444d9336357c844efa4fd5a7984c0d7)
- [https://github.com/steveukx/git-js/pull/1193](https://github.com/steveukx/git-js/pull/1193)

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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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