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Astro has Full-Read SSRF in error rendering via Host: header injection

🗓️ 23 Feb 2026 21:54:32Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 9 Views

Astro SSRF via Host header tampering on prerendered error pages allows reading internal URLs.

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30 Mar 2026 19:32Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.18.6
CVSS 46.9
EPSS0.01769
SSVC
9