CVE-2026-102829

simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 2.0.1 of the argv-parser package, parseEnv omits VISUAL from GitEnvKeys, so prepareEnv drops the value before vulnerabilityCheck can classify it as allowUnsafeEditor. A consuming application that forwards attacker-influenced environment values can therefore allow Git to invoke an attacker-selected editor during operations such as commit amendment or interactive rebase when no higher-priority editor setting overrides VISUAL and Git's terminal prerequisites are met. The executable runs with the privileges of the Node.js process. This issue is fixed in argv-parser 2.0.1.

Score

CVSS 4.0 9.2 Critical

Status

Undergoing Analysis - security-advisories@github.com

Published

2026-09-29

Last modified

2026-09-30

Weaknesses

CWE-184, CWE-78

Affected products

• Git-js (Steveukx)

References

• https://github.com/steveukx/git-js/security/advisories/GHSA-v5rq-49vh-5v5c
• https://github.com/steveukx/git-js/pull/1201
• https://github.com/steveukx/git-js/commit/68874c239f0c7a87f4a68c3d2c4a0d7c75bb27f4
• https://github.com/steveukx/git-js/releases/tag/@simple-git/argv-parser@2.0.1