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CVE-2026-105298 Pingora HTTP/2 :authority and Host header mismatch enables cache poisoning and host-based access control bypass

🗓️ 20 Oct 2026 00:46:21Reported by cloudflareType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unauthenticated cache poisoning and host-based access control bypass in Pingora HTTP/2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-105298
20 Oct 202601:06
–circl
cve
CVE
CVE-2026-105298
20 Oct 202600:46
–cve
euvd
EUVD
EUVD-2026-104695
20 Oct 202600:46
–euvd
nvd
NVD
CVE-2026-105298
20 Oct 202601:17
–nvd
[
  {
    "vendor": "Cloudflare",
    "product": "https://github.com/cloudflare/pingora",
    "repo": "https://github.com/cloudflare/pingora",
    "versions": [
      {
        "status": "affected",
        "version": "0.1.0",
        "lessThan": "0.9.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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