PT-2026-6426 · Maven · Org.Keycloak:Keycloak-Parent

Published 2026-01-08 · Updated 2026-01-08

OSV

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

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.

Fix

Weakness Enumeration

CWE-551

Related Identifiers

GHSA-GV94-WP4H-VV8P

Affected Products

Org.Keycloak:Keycloak-Parent

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-0707 · Security Note
• https://osv.dev/vulnerability/GHSA-gv94-wp4h-vv8p · Vendor Advisory
• https://github.com/keycloak/keycloak · Note
• https://access.redhat.com/security/cve/CVE-2026-0707 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2427768 · Note
• https://access.redhat.com/errata/RHSA-2026:3948 · Note
• https://access.redhat.com/errata/RHSA-2026:3947 · Note