Red Hat CVE-2026-0707
MEDIUM
GHSA-gv94-wp4h-vv8p
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
3DescriptionNVD
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.
AnalysisAI
Keycloak's Authorization header parser improperly tolerates non-RFC 6750 compliant formatting, including tabs and case variations in Bearer token authentication. This lax validation could enable attackers to bypass authentication mechanisms or manipulate token validation logic in applications relying on strict Bearer token parsing. …
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RemediationAI
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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