Description
A flaw was found in org.keycloak.broker.saml. When a disabled Security Assertion Markup Language (SAML) client is configured as an Identity Provider (IdP)-initiated broker landing target, it can still complete the login process and establish a Single Sign-On (SSO) session. This allows a remote attacker to gain unauthorized access to other enabled clients without re-authentication, effectively bypassing security restrictions.
Published: 2026-03-05
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Workaround

To mitigate this issue, ensure that any SAML client intended to be disabled is not configured as an IdP-initiated broker landing target within Keycloak. Review your Keycloak realm configurations to identify and remove any such associations for disabled clients.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-8cr3-vpxx-92cx Keycloak SAML Broken has Authentication Bypass by Primary Weakness
History

Thu, 26 Mar 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat build Of Keycloak
Redhat keycloak
CPEs cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:text-only:*:*:*
cpe:2.3:a:redhat:build_of_keycloak:26.2.14:*:*:*:*:*:*:*
cpe:2.3:a:redhat:build_of_keycloak:26.2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:build_of_keycloak:26.4.10:*:*:*:*:*:*:*
cpe:2.3:a:redhat:build_of_keycloak:26.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*
Vendors & Products Redhat build Of Keycloak
Redhat keycloak

Fri, 06 Mar 2026 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Red Hat
Red Hat red Hat Build Of Keycloak 26.2
Red Hat red Hat Build Of Keycloak 26.2.14
Red Hat red Hat Build Of Keycloak 26.4
Red Hat red Hat Build Of Keycloak 26.4.10
Vendors & Products Red Hat
Red Hat red Hat Build Of Keycloak 26.2
Red Hat red Hat Build Of Keycloak 26.2.14
Red Hat red Hat Build Of Keycloak 26.4
Red Hat red Hat Build Of Keycloak 26.4.10

Fri, 06 Mar 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Thu, 05 Mar 2026 20:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:build_keycloak:26.2::el9
References

Thu, 05 Mar 2026 19:30:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:build_keycloak: cpe:/a:redhat:build_keycloak:26.4::el9
References

Thu, 05 Mar 2026 19:00:00 +0000

Type Values Removed Values Added
Description A flaw was found in org.keycloak.broker.saml. When a disabled Security Assertion Markup Language (SAML) client is configured as an Identity Provider (IdP)-initiated broker landing target, it can still complete the login process and establish a Single Sign-On (SSO) session. This allows a remote attacker to gain unauthorized access to other enabled clients without re-authentication, effectively bypassing security restrictions.
Title Org.keycloak.broker.saml: keycloak saml broker: authentication bypass due to disabled saml client completing idp-initiated login
First Time appeared Redhat
Redhat build Keycloak
Weaknesses CWE-305
CPEs cpe:/a:redhat:build_keycloak:
Vendors & Products Redhat
Redhat build Keycloak
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Subscriptions

Red Hat Red Hat Build Of Keycloak 26.2 Red Hat Build Of Keycloak 26.2.14 Red Hat Build Of Keycloak 26.4 Red Hat Build Of Keycloak 26.4.10
Redhat Build Keycloak Build Of Keycloak Keycloak
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-03-06T18:13:14.612Z

Reserved: 2026-02-23T17:30:53.926Z

Link: CVE-2026-3047

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-03-05T19:16:18.383

Modified: 2026-03-26T14:20:02.470

Link: CVE-2026-3047

cve-icon Redhat

Severity : Important

Publid Date: 2026-03-05T11:24:00Z

Links: CVE-2026-3047 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-03-06T15:01:26Z

Weaknesses