{"action":"Upgrade unhead to 2.1.13 or later.","affected":[{"fixed":"2.1.13","introduced":"0"}],"component":"unhead","cve_ids":["CVE-2026-39315"],"ecosystem":"npm","epss":0.00338,"exploited":false,"fixed_versions":["2.1.13"],"ghsa_id":"GHSA-95h2-gj7x-gx9w","id":"tcs_01M5KFEWDNF95R5XTDCKKM7NZX","modified_at":"2026-04-09T20:41:24.335154Z","published_at":"2026-04-09T20:28:05Z","references":["https://osv.dev/vulnerability/GHSA-95h2-gj7x-gx9w","https://github.com/unjs/unhead/security/advisories/GHSA-95h2-gj7x-gx9w","https://nvd.nist.gov/vuln/detail/CVE-2026-39315","https://github.com/unjs/unhead/commit/961ea781e091853812ffe17f8cda17105d2d2299","https://github.com/unjs/unhead","https://github.com/unjs/unhead/releases/tag/v2.1.13"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-95h2-gj7x-gx9w","url":"https://osv.dev/vulnerability/GHSA-95h2-gj7x-gx9w"}],"summary":"Unhead has a hasDangerousProtocol() bypass via leading-zero padded HTML entities in useHeadSafe()"}