VULNERABILITY INTELLIGENCE

CVE-2026-0707

CVSS score5.3 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-01-08
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Weakness classification

  • secalert@redhat.com: CWE-551

Primary references