CVE-2026-59731 Astro 6.4.7 Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch

Astro is a web framework for content-driven websites. Version 6.4.7 performs authorization decisions on a partially decoded pathname after reaching the iterative URL decoder limit, while later rewrite route matching performs an additional decodeURI operation and can resolve the request to a...

CVE-2026-59731 Astro 6.4.7 Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch

Astro is a web framework for content-driven websites. Version 6.4.7 performs authorization decisions on a partially decoded pathname after reaching the iterative URL decoder limit, while later rewrite route matching performs an additional decodeURI operation and can resolve the request to a...

CVE-2026-59731

Astro 6.4.7 contains an authorization bypass due to improper handling of partially decoded pathnames after the iterative URL decoder limit, with an additional decodeURI() during rewrite route matching that can lead to accessing a protected route. The issue affects 6.4.7 and is fixed in 6.4.8. The...