AUGUST 16, 2026
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Case File

CVE-2026-16443

HIGH · CVSS 7.4 EPSS 0.15%

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

The vulnerability affects the SAML metadata import functionality in the keycloak-services component of Red Hat Build of Keycloak, allowing unauthenticated attackers to bypass signature validation for SAML responses. This flaw can lead to unauthorized access to user accounts if the attacker knows the external identifier of the target user. Organizations utilizing Keycloak for identity management should prioritize addressing this issue to safeguard against potential account compromise.

CVE
CVE-2026-16443
Severity
HIGH
CVSS
7.4
EPSS
0.15%

Original NVD Description

A flaw was found in the SAML metadata import functionality of the keycloak-services component, which is the core engine for identity brokering in Red Hat Build of Keycloak. When importing identity provider metadata that lacks specific usage attributes for keys, the system incorrectly disables signature validation for SAML responses even if a signing certificate is provided. This issue allows an unauthenticated attacker to forge a SAML response and gain unauthorized access to a user account by knowing their external identifier.

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