{"action":"Upgrade rollup to 2.80.0 or later.","affected":[{"fixed":"2.80.0","introduced":"0"},{"fixed":"3.30.0","introduced":"3.0.0"},{"fixed":"4.59.0","introduced":"4.0.0"}],"component":"rollup","cve_ids":["CVE-2026-27606"],"ecosystem":"npm","epss":0.01651,"exploited":false,"fixed_versions":["2.80.0","3.30.0","4.59.0"],"ghsa_id":"GHSA-mw96-cpmx-2vgc","id":"tcs_01M5KG1W7ZV19V6Z0JB8P8MWGK","modified_at":"2026-09-10T03:50:35.380273715Z","published_at":"2026-02-25T22:37:26Z","references":["https://osv.dev/vulnerability/GHSA-mw96-cpmx-2vgc","https://github.com/rollup/rollup/security/advisories/GHSA-mw96-cpmx-2vgc","https://nvd.nist.gov/vuln/detail/CVE-2026-27606","https://github.com/rollup/rollup/commit/c60770d7aaf750e512c1b2774989ea4596e660b2","https://github.com/rollup/rollup/commit/c8cf1f9c48c516285758c1e11f08a54f304fd44e","https://github.com/rollup/rollup/commit/d6dee5e99bb82aac0bee1df4ab9efbde455452c3","https://github.com/rollup/rollup","https://github.com/rollup/rollup/releases/tag/v2.80.0","https://github.com/rollup/rollup/releases/tag/v3.30.0","https://github.com/rollup/rollup/releases/tag/v4.59.0"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-mw96-cpmx-2vgc","url":"https://osv.dev/vulnerability/GHSA-mw96-cpmx-2vgc"},{"source":"nvd","source_id":"CVE-2026-27606","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27606"}],"summary":"Rollup 4 has Arbitrary File Write via Path Traversal"}