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CVE-2026-0707 PUBLISHED CVSS 5.300000190734863 MEDIUM

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.

EPSS 0.03% · 8.2th percentile

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
0.03%
8.2th percentile

Affected Products

VendorProductVersions
Red HatRed Hat build of Keycloak 26.426.4.10-1
Red HatRed Hat build of Keycloak 26.426.4-12
Red HatRed Hat build of Keycloak 26.426.4-12
Mavenorg.keycloak:keycloak-parent0
Red HatRed Hat build of Keycloak 26.4.10

Timeline

References

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