GHSA-gv94-wp4h-vv8pMediumCVSS 5.3

Keycloak has Incorrect Behavior Order: Authorization Before Parsing and Canonicalization

Published
January 8, 2026
Last Modified
June 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-0707 →

📋 Description

A flaw was found in Keycloak. The Keycloak Authorization header parser is overly permissive regarding the formatting of the "Bearer" authentication scheme. It accepts non-standard characters (such as tabs) as separators and tolerates case variations that deviate from RFC 6750 specifications.

🎯 Affected products1

  • maven/org.keycloak:keycloak-parent:<= 26.5.0

🔗 References (7)