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CVE-2026-54299 Astro: Host-header full-read SSRF in core prerendered error-page fetch (prerenderedErrorPageFetch default + unvalidated createRequestFromNodeRequest URL)

🗓️ 22 Jun 2026 17:33:53Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Astro prerendered error pages fetch using unvalidated Host header, enabling SSRF; fixed in 6.4.6.

Related
Affected
Refs
[
  {
    "vendor": "withastro",
    "product": "astro",
    "versions": [
      {
        "version": "< 6.4.6",
        "status": "affected"
      }
    ]
  }
]

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