Medium severity5.3GHSA Advisory· Published Jan 8, 2026· Updated Apr 15, 2026
CVE-2026-0707
CVE-2026-0707
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.keycloak:keycloak-parentMaven | <= 26.5.0 | — |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6News mentions
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