{"action":"Upgrade path-to-regexp to 8.4.0 or later.","affected":[{"fixed":"8.4.0","introduced":"8.0.0"}],"component":"path-to-regexp","cve_ids":["CVE-2026-4926"],"ecosystem":"npm","epss":0.00805,"exploited":false,"fixed_versions":["8.4.0"],"ghsa_id":"GHSA-j3q9-mxjg-w52f","id":"tcs_01M5KFWQQ8EPRB4G607K4SME6Q","modified_at":"2026-09-10T03:50:39.762014882Z","published_at":"2026-03-27T22:23:27Z","references":["https://osv.dev/vulnerability/GHSA-j3q9-mxjg-w52f","https://github.com/pillarjs/path-to-regexp/security/advisories/GHSA-j3q9-mxjg-w52f","https://nvd.nist.gov/vuln/detail/CVE-2026-4926","https://cna.openjsf.org/security-advisories.html","https://github.com/pillarjs/path-to-regexp"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-j3q9-mxjg-w52f","url":"https://osv.dev/vulnerability/GHSA-j3q9-mxjg-w52f"}],"summary":"path-to-regexp vulnerable to Denial of Service via sequential optional groups"}