PULSE
LIVE16signals / 24h
ES
FEED
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CVE WatchJul 16, 2026

CVE-2026-1609

A flaw was found in Keycloak. When the JSON Web Token (JWT) authorization grant preview feature is enabled and a user account is disabled, K

CVSS

8.1

High

EPSS

0.5%

p40

KEV

—

Exploit Today

12

0-100

Published: Jul 16, 2026 · Last modified: Jul 16, 2026 · CWE-284

EPSS · 30d
0.5%EPSS · 30 days0.5%
2026-07-162026-07-17
Technical description

A flaw was found in Keycloak. When the JSON Web Token (JWT) authorization grant preview feature is enabled and a user account is disabled, Keycloak fails to validate the user’s disabled status during JWT authorization grant processing. A remote attacker with low privileges can exploit this improper access control vulnerability by presenting a valid assertion token from an external identity provider to obtain a JWT for a disabled user. This allows unauthorized access to sensitive resources.

Official references
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