Is CVE-2026-59731 actively exploited?

No active exploitation of CVE-2026-59731 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-59731 be exploited remotely?

Yes. CVE-2026-59731 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-59731?

CVE-2026-59731 has a CVSS score of 8.2 (HIGH).

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HIGH

CVE-2026-59731

CWE-647Published: July 8, 2026· Updated: Jul 9, 2026

8.2

CVSS v3.1

EPSS:0.27%probability of exploitation in 30 daysPercentile:18.4th

Official 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.

NVD Source

Technical Analysis

CVE-2026-59731 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.2.