{"action":"Upgrade webpack-dev-middleware to 7.4.6 or later.","affected":[{"fixed":"8.3.0","introduced":"8.0.0"},{"fixed":"7.4.6","introduced":"0"}],"component":"webpack-dev-middleware","cve_ids":["CVE-2026-76844"],"ecosystem":"npm","epss":0.00592,"exploited":false,"fixed_versions":["8.3.0","7.4.6"],"ghsa_id":"GHSA-g84c-rxfj-3j2c","id":"tcs_01M5KFQYB1Z66ZC8ZJKAV8216W","modified_at":"2026-10-03T03:56:01.635170780Z","published_at":"2026-09-29T16:59:18Z","references":["https://osv.dev/vulnerability/GHSA-g84c-rxfj-3j2c","https://github.com/webpack/webpack-dev-middleware/security/advisories/GHSA-g84c-rxfj-3j2c","https://nvd.nist.gov/vuln/detail/CVE-2026-76844","https://github.com/webpack/webpack-dev-middleware/pull/2404","https://github.com/webpack/webpack-dev-middleware/commit/13344e78b26d88fe9b7c8381a3860e248a52359b","https://github.com/webpack/webpack-dev-middleware/commit/cefccbac330c29052fc6dffe85fd292ea2ac782b","https://github.com/advisories/GHSA-wr3j-pwj9-hqq6","https://github.com/webpack/webpack-dev-middleware","https://github.com/webpack/webpack-dev-middleware/blob/v8.1.1/src/middleware.js","https://github.com/webpack/webpack-dev-middleware/releases/tag/v7.4.6","https://github.com/webpack/webpack-dev-middleware/releases/tag/v8.3.0","https://www.vulncheck.com/advisories/webpack-dev-middleware-path-traversal-via-offset-slice-on-a-non-slash-terminated-publicpath"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"GHSA-g84c-rxfj-3j2c","url":"https://osv.dev/vulnerability/GHSA-g84c-rxfj-3j2c"}],"summary":"webpack-dev-middleware vulnerable to Path Traversal via non-slash-terminated publicPath"}