# fast-uri (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/npm-fast-uri Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/npm-fast-uri.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 17 vulnerabilities in fast-uri (npm): 0 in the last 7 days and 12 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-110725, was published on 20 October 2026. 4 vulnerabilities in the last four weeks, up 100% on the four before (2). ## Counts - Last 7 days: 0 - Last 30 days: 4 - Last 90 days: 12 - All time: 17 (0 critical, 0 exploited in the wild) ## About fast-uri (npm) Node.js library for fast URI/URL parsing and validation. ## Latest fast-uri (npm) vulnerabilities - [CVE-2026-110725: fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references](https://junglewise.ai/threats/cve-2026-110725-fast-uri-is-a-dependency-free-rfc-3986-uri-parser-and-serializer) (low, CVSS 3.7, published 20 Oct 2026) - [CVE-2026-110306: fast-uri URI scheme spoofing via percent-encoded scheme](https://junglewise.ai/threats/cve-2026-110306-fast-uri-is-a-dependency-free-rfc-3986-uri-parser-and-serializer) (medium, CVSS 6.1, published 20 Oct 2026) - [CVE-2026-110180: fast-uri host confusion via unchecked WHATWG canonicalization](https://junglewise.ai/threats/cve-2026-110180-fast-uri-is-a-dependency-free-rfc-3986-uri-parser-and-serializer) (medium, CVSS 4.8, published 20 Oct 2026) - [CVE-2026-110095: fast-uri vulnerable to improper path equivalence in relative reference normalization](https://junglewise.ai/threats/cve-2026-110095-fast-uri-is-a-dependency-free-rfc-3986-uri-parser-and-serializer) (low, CVSS 3.7, published 20 Oct 2026) - [CVE-2026-86818: fast-uri mailto header injection via percent-encoded field-name desynchronization](https://junglewise.ai/threats/cve-2026-86818-fast-uri-mailto-header-injection-via-percent-encoded-field-name) (medium, CVSS 4.8, published 15 Sep 2026) - [CVE-2026-86472: fast-uri inconsistent host case normalization via percent-encoded octets](https://junglewise.ai/threats/cve-2026-86472-fast-uri-inconsistent-host-case-normalization-via-percent-encoded) (medium, CVSS 4.8, published 15 Sep 2026) - [CVE-2026-84394: fast-uri host confusion via unclosed bracket in authority](https://junglewise.ai/threats/cve-2026-84394-fast-uri-host-confusion-via-unclosed-bracket-in-authority) (high, CVSS 7.5, published 3 Sep 2026) - [CVE-2026-84292: fast-uri authority injection via unvalidated port in serialize](https://junglewise.ai/threats/cve-2026-84292-fast-uri-authority-injection-via-unvalidated-port-in-serialize) (high, CVSS 7.5, published 2 Sep 2026) - [CVE-2026-76172: fast-uri host confusion via percent-encoded scheme normalization](https://junglewise.ai/threats/cve-2026-76172-fast-uri-host-confusion-via-percent-encoded-scheme-normalization) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-75975: fast-uri server-side request forgery via malformed IPv6 normalization](https://junglewise.ai/threats/cve-2026-75975-fast-uri-server-side-request-forgery-via-malformed-ipv6) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-75931: Fastify fast-uri host confusion via skipped IDN canonicalization](https://junglewise.ai/threats/cve-2026-75931-fastify-fast-uri-host-confusion-via-skipped-idn-canonicalization) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-75899: fast-uri server-side request forgery via double percent-decoding](https://junglewise.ai/threats/cve-2026-75899-fast-uri-server-side-request-forgery-via-double-percent-decoding) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-18446: fast-uri host confusion via backslash authority introducer](https://junglewise.ai/threats/cve-2026-18446-fast-uri-host-confusion-via-backslash-authority-introducer) (high, CVSS 7.5, published 31 Jul 2026) - [CVE-2026-16221: fastify fast-uri host confusion via backslash authority delimiter](https://junglewise.ai/threats/cve-2026-16221-fastify-fast-uri-host-confusion-via-backslash-authority-delimiter) (high, CVSS 7.5, published 19 Jul 2026) - [CVE-2026-13676: fastify fast-uri host confusion via failed IDN canonicalization](https://junglewise.ai/threats/cve-2026-13676-fastify-fast-uri-host-confusion-via-failed-idn-canonicalization) (high, CVSS 7.5, published 29 Jun 2026) - [CVE-2026-6322: Fastify fast-uri host confusion via percent-encoded authority delimiters](https://junglewise.ai/threats/cve-2026-6322-fastify-fast-uri-host-confusion-via-percent-encoded-authority) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-6321: OpenJS Foundation fast-uri path traversal via percent-encoded dot segments](https://junglewise.ai/threats/cve-2026-6321-openjs-foundation-fast-uri-path-traversal-via-percent-encoded-dot) (high, CVSS 7.5, published 4 May 2026) ## Most severe fast-uri (npm) vulnerabilities - [CVE-2026-6321: OpenJS Foundation fast-uri path traversal via percent-encoded dot segments](https://junglewise.ai/threats/cve-2026-6321-openjs-foundation-fast-uri-path-traversal-via-percent-encoded-dot) (high, CVSS 7.5, published 4 May 2026) - [CVE-2026-6322: Fastify fast-uri host confusion via percent-encoded authority delimiters](https://junglewise.ai/threats/cve-2026-6322-fastify-fast-uri-host-confusion-via-percent-encoded-authority) (high, CVSS 7.5, published 5 May 2026) - [CVE-2026-13676: fastify fast-uri host confusion via failed IDN canonicalization](https://junglewise.ai/threats/cve-2026-13676-fastify-fast-uri-host-confusion-via-failed-idn-canonicalization) (high, CVSS 7.5, published 29 Jun 2026) - [CVE-2026-76172: fast-uri host confusion via percent-encoded scheme normalization](https://junglewise.ai/threats/cve-2026-76172-fast-uri-host-confusion-via-percent-encoded-scheme-normalization) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-75931: Fastify fast-uri host confusion via skipped IDN canonicalization](https://junglewise.ai/threats/cve-2026-75931-fastify-fast-uri-host-confusion-via-skipped-idn-canonicalization) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-84394: fast-uri host confusion via unclosed bracket in authority](https://junglewise.ai/threats/cve-2026-84394-fast-uri-host-confusion-via-unclosed-bracket-in-authority) (high, CVSS 7.5, published 3 Sep 2026) - [CVE-2026-75975: fast-uri server-side request forgery via malformed IPv6 normalization](https://junglewise.ai/threats/cve-2026-75975-fast-uri-server-side-request-forgery-via-malformed-ipv6) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-75899: fast-uri server-side request forgery via double percent-decoding](https://junglewise.ai/threats/cve-2026-75899-fast-uri-server-side-request-forgery-via-double-percent-decoding) (high, CVSS 7.5, published 24 Aug 2026) - [CVE-2026-16221: fastify fast-uri host confusion via backslash authority delimiter](https://junglewise.ai/threats/cve-2026-16221-fastify-fast-uri-host-confusion-via-backslash-authority-delimiter) (high, CVSS 7.5, published 19 Jul 2026) - [CVE-2026-84292: fast-uri authority injection via unvalidated port in serialize](https://junglewise.ai/threats/cve-2026-84292-fast-uri-authority-injection-via-unvalidated-port-in-serialize) (high, CVSS 7.5, published 2 Sep 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up 100% on the four before (2). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 4 | 0 | 0 | | 31 Aug 2026 | 2 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 2 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 4 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other npm technologies - [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities - [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities - [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities - [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities - [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities - [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities - [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities - [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities - [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities - [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities - [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities - [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "fast-uri (npm) vulnerabilities", https://junglewise.ai/threats/technologies/npm-fast-uri, 13 November 2026.