GHSA-fph4-wmhf-6fwfPublished
fast-uri vulnerable to server-side request forgery via repeated hostname percent-decoding
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-75899 · Microsoft / collected KEV context
cve-program · CVE-2026-75899
- https://github.com/fastify/fast-uri/security/advisories/GHSA-fph4-wmhf-6fwf
- https://cna.openjsf.org/security-advisories.html
euvd · EUVD-2026-64763
- https://github.com/fastify/fast-uri/security/advisories/GHSA-fph4-wmhf-6fwf
- https://cna.openjsf.org/security-advisories.html
nvd · CVE-2026-75899
- https://cna.openjsf.org/security-advisories.html
- https://github.com/fastify/fast-uri/security/advisories/GHSA-fph4-wmhf-6fwf
osv · 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
Related operational evidence
Explicit CVE identifiers- fast-uri is a URI parser for Node.js. It decodes percent escapes in a hostname during parsing and then decodes the parsed hostname a second time during authority recomposition, so a single call to normalize or resolve can turn nested percen… · Advisory content revised · 9 Nov 2026
- fast-uri is a URI parser for Node.js. It decodes percent escapes in a hostname during parsing and then decodes the parsed hostname a second time during authority recomposition, so a single call to normalize or resolve can turn nested percen… · Advisory content revised · 7 Nov 2026
- fast-uri is a URI parser for Node.js. It decodes percent escapes in a hostname during parsing and then decodes the parsed hostname a second time during authority recomposition, so a single call to normalize or resolve can turn nested percen… · Advisory content revised · 1 Nov 2026
- Jira Software Data Center: SSRF (Server-Side Request Forgery) fast-uri Dependency (CVE-2026-75899) · Security advisory · 15 Sep 2026