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

​CVE ID :CVE-2026-59731

Published : July 8, 2026, 5:17 p.m. | 1 hour, 53 minutes ago

Description :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 protected route. This issue is fixed in version 6.4.8.

Severity: 8.2 | HIGH

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