GitHub Advisoryadvisory · npm
GHSA-6wfj-92cw-88vg git-diff: OS command injection vulnerability via crafted strings to the gitDiff API
CRITICAL
Official page ↗
- Aliases
- CVE-2026-110634
- Ecosystem
- npm
- Packages
- git-diff
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78
- Reviewed
- 2026-10-27
Affected packages
• npm git-diff: < 2.0.7 → fixed in 2.0.7
Description
git-diff before 2.0.7 contains an OS command injection vulnerability that allows attackers to execute shell commands by supplying crafted strings to the gitDiff API. Attackers who control a diffed document string can embed $(cmd) or backtick substitutions that shelljs.exec evaluates, running commands with Node.js process privileges.
Related
Alias · CVE (1)
- CVE-2026-110634 git-diff before 2.0.7 contains an OS command injection vulnerability that allows attackers to execute shell commands by supplying crafted… vulnerability
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-110634 advisory
- https://github.com/danday74/git-diff/pull/16 web
- https://github.com/danday74/git-diff/commit/bfd727b6cf1daa671c3528d1d681f55b70e8fb19 web
- https://github.com/danday74/git-diff package
- https://github.com/danday74/git-diff/blob/a85a649badc4c6bba991e87e82382b7d3cdd6634/js/gitDiffReal/generateDiff/index.js#L26-L30 web
- https://www.vulncheck.com/advisories/git-diff-before-2.0.7-os-command-injection-via-gitdiff-input-strings web