CVE-2026-110634

critical · 9.3

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.

9.3

CVSS

2.3%

EPSS (exploit prob.)

84th

EPSS percentile

2026-10-14

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-78

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-110634