Astro: Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch
High-risk advisory
CVE-2026-59731
Summary
Astro: Authorization Bypass via Decode Iteration Limit and Rewrite Path Canonicalization Mismatch
Why it matters
GitHub has published a reviewed security advisory for astro. Prioritize it with other application dependency updates, especially because EPSS places it in the 19% percentile.
Operator check
Check whether astro is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.3%; percentile: 19%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.