CVE-2026-6321

fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize and equal functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications...

CVE-2026-6321 fast-uri vulnerable to path traversal via percent-encoded dot segments

fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize and equal functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications...

PT-2026-36919

Name of the Vulnerable Software and Affected Versions fast-uri versions prior to 3.1.1 Description The normalize and equal functions decode percent-encoded path separators and dot segments before performing dot-segment removal. This causes encoded path data to be treated as actual slashes and...

CVE-2026-6321: Improper Limitation of a Pathname to a Restricted Directory

fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize and equal functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications...