fast-uri has 6 CVEs on record. Disclosure cadence is accelerating: 6 in the last 90 days against 0 in the 90 before. The busiest recent month was October 2026 with 4. The median CVSS is 4.8 (medium). None have a confirmed exploitation report.
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 4.8
- Publish → KEV
- —
- Last 90 days
- 6 prev 0
Weakness classes
Products
- fast-uri 6
Worst active — by depth score
CVE-2026-110306Medium· 6.1fast-uri vulnerable to URI scheme spoofing via percent-encoded scheme decoding34CVE-2026-110180Medium· 4.8fast-uri vulnerable to host confusion via unchecked WHATWG host canonicalization26CVE-2026-86818Medium· 4.8fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.326CVE-2026-86472Medium· 4.8fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv26CVE-2026-110725Low· 3.7fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references20
fast-uri vulnerabilities
CVEs affecting fast-uri, newest first. Open any entry for full detail, references, and exploit status.
6 CVEsRSS
CVE-2026-110725Low· 3.7fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references
fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references
CVE-2026-110180Medium· 4.8fast-uri vulnerable to host confusion via unchecked WHATWG host canonicalization
fast-uri vulnerable to host confusion via unchecked WHATWG host canonicalization
CVE-2026-110095Low· 3.7fast-uri vulnerable to improper path equivalence in relative reference normalization
fast-uri vulnerable to improper path equivalence in relative reference normalization
CVE-2026-110306Medium· 6.1fast-uri vulnerable to URI scheme spoofing via percent-encoded scheme decoding
fast-uri vulnerable to URI scheme spoofing via percent-encoded scheme decoding
CVE-2026-86818Medium· 4.8fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.3
fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv, that added a mailto scheme parser in version 4.1.3. In versions 4.1.3 and 4.1.4, the mailto parser compares each query field name to the reserved nam…
CVE-2026-86472Medium· 4.8fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv
fast-uri is a dependency-free RFC 3986 URI parser for Node.js, used by Fastify and ajv. In versions before 2.4.7, from 3.0.0 through 3.1.7, and from 4.0.0 through 4.1.4, fast-uri folds the host to lowercase before it percent-decodes the …