What’s Vulnerable › Vulnerabilities

CVE-2026-110634: git-diff before 2.0.7 OS Command Injection via gitDiff Input Strings

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-14 · updated 2026-10-16
• Weakness: CWE-78

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.

Affected products

• danday74 git-diff: before 2.0.7 — fixed in 2.0.7

How to fix

Upgrade to a fixed version: danday74 git-diff 2.0.7. Check the vendor advisory for mitigations.

References

• https://github.com/danday74/git-diff
• https://github.com/danday74/git-diff/blob/a85a649badc4c6bba991e87e82382b7d3cdd6634/js/gitDiffReal/generateDiff/index.js#L26-L30
• https://github.com/danday74/git-diff/commit/bfd727b6cf1daa671c3528d1d681f55b70e8fb19
• https://github.com/danday74/git-diff/pull/16
• https://www.vulncheck.com/advisories/git-diff-before-2.0.7-os-command-injection-via-gitdiff-input-strings

Get alerted when CVE-2026-110634 or the next vulnerability affects your stack