CVE-2026-16221

A flaw was found in fast-uri. This vulnerability arises because fast-uri does not correctly interpret backslash characters as authority delimiters in Uniform Resource Locators URLs, unlike Node.js's native WHATWG URL parser. This discrepancy can cause applications that use fast-uri for security...

EUVD-2026-45551

fast-uri vulnerable to host confusion via literal backslash authority delimiter...

CVE-2026-6322

CVE-2026-6322 affects the fast-uri package. The vuln lies in normalize(): it decodes percent-encoded authority delimiters inside the host and then re-emits them as raw delimiters during serialization. This can cause a host, which combines an allowed domain, an encoded at-sign, and a different dom...