What is GHSA-xf8w-rc87-x5gw?

GHSA-xf8w-rc87-x5gw is a security advisory published by GitHub Security Advisories with High severity. HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled ...

Which CVE IDs does GHSA-xf8w-rc87-x5gw cover?

GHSA-xf8w-rc87-x5gw covers the following CVE IDs: CVE-2026-93567. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xf8w-rc87-x5gw?

GHSA-xf8w-rc87-x5gw has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-xf8w-rc87-x5gwHighCVSS 7.5

HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled ...

Vendor

GitHub Security Advisories

Published

September 18, 2026

Last Modified

September 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-93567 →

📋 Description

HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled :authority

🔗 References (7)

https://nvd.nist.gov/vuln/detail/CVE-2026-93567
https://access.redhat.com/security/cve/CVE-2026-93567
https://bugzilla.redhat.com/show_bug.cgi?id=2536955
https://access.redhat.com/errata/RHSA-2026:69470
https://access.redhat.com/errata/RHSA-2026:69440
https://access.redhat.com/errata/RHSA-2026:70257
https://github.com/advisories/GHSA-xf8w-rc87-x5gw