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  5. CVE-2026-6951

CVE-2026-6951: simple-git is vulnerable to Remote Code Execution

April 25, 2026 (updated May 5, 2026)

Versions of the package simple-git before 3.36.0 are vulnerable to Remote Code Execution (RCE) due to an incomplete fix for CVE-2022-25912 that blocks the -c option but not the equivalent –config form. If untrusted input can reach the options argument passed to simple-git, an attacker may still achieve remote code execution by enabling protocol.ext.allow=always and using an ext:: clone source.

References

  • gist.github.com/KKC73/02d1d97f3410756095b501fda0ac8ca6
  • github.com/advisories/GHSA-hffm-xvc3-vprc
  • github.com/steveukx/git-js
  • github.com/steveukx/git-js/commit/89a2294febed5dfe737c4c735d936bb6018746a8
  • nvd.nist.gov/vuln/detail/CVE-2026-6951
  • security.snyk.io/vuln/SNYK-JS-SIMPLEGIT-15456078

Code Behaviors & Features

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Affected versions

All versions before 3.36.0

Fixed versions

  • 3.36.0

Solution

Upgrade to version 3.36.0 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-94: Improper Control of Generation of Code ('Code Injection')

Source file

npm/simple-git/CVE-2026-6951.yml

Spotted a mistake? Edit the file on GitLab.

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