{"id":"GHSA-6wfj-92cw-88vg","aliases":["CVE-2026-110634"],"title":"git-diff: OS command injection vulnerability via crafted strings to the gitDiff API","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.","severity":"critical","score":9.8,"published":"2026-10-14T15:32:27.000Z","modified":"2026-10-27T16:15:05.342Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"npm","name":"git-diff","ranges":[{"events":[{"introduced":"0"},{"fixed":"2.0.7"}],"type":"SEMVER"}],"versions":[],"fixed":["2.0.7"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2026-110634","https://github.com/danday74/git-diff/pull/16","https://github.com/danday74/git-diff/commit/bfd727b6cf1daa671c3528d1d681f55b70e8fb19","https://github.com/danday74/git-diff","https://github.com/danday74/git-diff/blob/a85a649badc4c6bba991e87e82382b7d3cdd6634/js/gitDiffReal/generateDiff/index.js#L26-L30","https://www.vulncheck.com/advisories/git-diff-before-2.0.7-os-command-injection-via-gitdiff-input-strings"],"sources":[{"name":"OSV","id":"GHSA-6wfj-92cw-88vg","modified":"2026-10-27T16:15:05.342333Z","url":"https://osv.dev/vulnerability/GHSA-6wfj-92cw-88vg"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},{"source":"OSV","vector":"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","score":9.3}]}