fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references

影響: npm:fast-uri < 2.4.8 → 2.4.8, npm:fast-uri >= 3.0.0, < 3.1.9 → 3.1.9, npm:fast-uri >= 4.0.0, < 4.2.3 → 4.2.3

fast-uri's serialize(), normalize(), and resolve(), when called with the non-default option reference: 'suffix' on a reference that has no authority, emit a relative reference whose first path segment contains a bare colon without escaping it. RFC 3986 section 3.3 requires the first segment of a path-noscheme reference not to contain a colon, precisely because a bare colon makes the string reparse as an absolute URI with a scheme. fast-uri's default serialization escapes that colon, but the suf…

Read on GitHub Advisory Database

On 10/24/2026, 06:36 AM, GitHub Advisory Database published "fast-uri vulnerable to scheme injection via an unescaped first-segment colon in suffix references" (type: Advisory). Severity is "Low" (low). Related technologies: JavaScript / Node.js. CVE: CVE-2026-110725.