{"action":"Upgrade fast-uri to 2.4.5 or later.","affected":[{"fixed":"2.4.5","introduced":"2.4.1"},{"fixed":"3.1.6","introduced":"3.1.2"},{"fixed":"4.1.3","introduced":"4.0.0"}],"component":"fast-uri","cve_ids":["CVE-2026-75899"],"ecosystem":"npm","epss":0.0022,"exploited":false,"fixed_versions":["2.4.5","3.1.6","4.1.3"],"ghsa_id":"GHSA-fph4-wmhf-6fwf","id":"tcs_01M5KFNXSC3KTWZR7HHPM4MCF2","modified_at":"2026-09-10T03:50:54.420840001Z","published_at":"2026-09-02T15:42:39Z","references":["https://osv.dev/vulnerability/GHSA-fph4-wmhf-6fwf","https://github.com/fastify/fast-uri/security/advisories/GHSA-fph4-wmhf-6fwf","https://nvd.nist.gov/vuln/detail/CVE-2026-75899","https://github.com/fastify/fast-uri/commit/2642290672e7211c990aaed3749c2ce667d0af4f","https://github.com/fastify/fast-uri/commit/8c15dbe94ec50bb8e595791ebb42c35cef0fd304","https://github.com/fastify/fast-uri/commit/ae92a4c5d8c4b6c9e447f048d5fcbde7eebd5514","https://cna.openjsf.org/security-advisories.html","https://github.com/fastify/fast-uri","https://github.com/fastify/fast-uri/releases/tag/v2.4.5","https://github.com/fastify/fast-uri/releases/tag/v3.1.6","https://github.com/fastify/fast-uri/releases/tag/v4.1.3"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-fph4-wmhf-6fwf","url":"https://osv.dev/vulnerability/GHSA-fph4-wmhf-6fwf"}],"summary":"fast-uri vulnerable to server-side request forgery via repeated hostname percent-decoding"}