CVE-2026-0707 (GCVE-0-2026-0707)
Vulnerability from cvelistv5
Published
2026-01-08 03:41
Modified
2026-06-08 10:21
CWE
  • CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
Summary
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.
Impacted products
Vendor Product Version
Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4.10-1   < *
    cpe:/a:redhat:build_keycloak:26.4::el9
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   Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-12   < *
    cpe:/a:redhat:build_keycloak:26.4::el9
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   Red Hat Red Hat build of Keycloak 26.4 Unaffected: 26.4-12   < *
    cpe:/a:redhat:build_keycloak:26.4::el9
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   Red Hat Red Hat build of Keycloak 26.4.10     cpe:/a:redhat:build_keycloak:26.4::el9
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Show details on NVD website


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