In short
- CVE-2026-0707 is a MEDIUM (CVSS 5.3) vulnerability affecting org.keycloak:keycloak-parent.
- Chance of exploitation in the next 30 days (EPSS): 0.40%, higher than 34.6% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
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.
NVD 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.
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