CVE-2026-59731

highCVSS 8.2covered by 1 sourcefirst seen 2026-07-08

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.

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Exploitation outlook

Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-59731: Astro is a web framework for content-driven websites. Version 6.4.7 performs authorization dec…nvd · 2026-07-08

External references

NVD record for CVE-2026-59731

CVE.org record

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