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URL: https://nvd.nist.gov/vuln/detail/CVE-2026-3047

⇱ NVD - CVE-2026-3047

  1. Vulnerabilities

CVE-2026-3047 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/errata/RHSA-2026:3925 Inc., Red Hat, redhat-SADP Vendor Advisory 
https://access.redhat.com/errata/RHSA-2026:3926 Inc., Red Hat, redhat-SADP Vendor Advisory 
https://access.redhat.com/errata/RHSA-2026:3947 Inc., Red Hat, redhat-SADP Vendor Advisory 
https://access.redhat.com/errata/RHSA-2026:3948 Inc., Red Hat, redhat-SADP Vendor Advisory 
https://access.redhat.com/security/cve/CVE-2026-3047 Inc., Red Hat, redhat-SADP Vendor Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2441966 Inc., Red Hat, redhat-SADP Issue Tracking  Vendor Advisory 
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3047.json redhat-SADP

Weakness Enumeration

CWE-ID CWE Name Source
CWE-305 Authentication Bypass by Primary Weakness Red Hat, Inc.   redhat-SADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

CVE Modified by redhat-SADP 6/29/2026 11:19:10 PM

Action Type Old Value New Value
Added CVSS V3.1 
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added CWE 
CWE-305
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3925
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3926
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3947
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3948
Added Reference 
https://access.redhat.com/security/cve/CVE-2026-3047
Added Reference 
https://bugzilla.redhat.com/show_bug.cgi?id=2441966
Added Reference 
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3047.json
Added Affected 
[{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2.14","defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4.10","defaultStatus":"affected","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"]}]

CVE Modified by CISA-ADP 6/17/2026 6:42:56 AM

Action Type Old Value New Value
Added SSVC 
{"timestamp":"2026-03-06T18:13:06.967396Z","id":"CVE-2026-3047","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}

CVE Modified by Red Hat, Inc. 6/17/2026 6:42:56 AM

Action Type Old Value New Value
Added Affected Record truncated, showing 2048 of 2575 characters.
View Entire Change Record
[{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhbk/keycloak-operator-bundle","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"versions":[{"version":"26.2.14-1","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhbk/keycloak-rhel9","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"versions":[{"version":"26.2-16","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhbk/keycloak-rhel9-operator","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"versions":[{"version":"26.2-16","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2.14","defaultStatus":"unaffected","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"rhbk/keycloak-rhel9","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhbk/keycloak-operator-bundle","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"versions":[{"version":"26.4.10-1","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","defaultStatus":"affected","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"rhbk/keycloak-rhel9","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"versions":[{"version":"26.4-12","lessThan":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","defaultStatus"

Initial Analysis by NIST 3/26/2026 10:20:02 AM

Action Type Old Value New Value
Added CPE Configuration 
OR
 *cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*
 *cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:text-only:*:*:*
 *cpe:2.3:a:redhat:build_of_keycloak:26.2:*:*:*:*:*:*:*
 *cpe:2.3:a:redhat:build_of_keycloak:26.2.14:*:*:*:*:*:*:*
 *cpe:2.3:a:redhat:build_of_keycloak:26.4:*:*:*:*:*:*:*
 *cpe:2.3:a:redhat:build_of_keycloak:26.4.10:*:*:*:*:*:*:*
Added Reference Type 
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3925 Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3926 Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3947 Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://access.redhat.com/errata/RHSA-2026:3948 Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-3047 Types: Vendor Advisory
Added Reference Type 
Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2441966 Types: Issue Tracking, Vendor Advisory

CVE Modified by Red Hat, Inc. 3/05/2026 3:16:17 PM

Action Type Old Value New Value
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3925
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3926
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3947
Added Reference 
https://access.redhat.com/errata/RHSA-2026:3948

New CVE Received from Red Hat, Inc. 3/05/2026 2:16:18 PM

Action Type Old Value New Value
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.
Added CVSS V3.1 
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added CWE 
CWE-305
Added Reference 
https://access.redhat.com/security/cve/CVE-2026-3047
Added Reference 
https://bugzilla.redhat.com/show_bug.cgi?id=2441966

Quick Info

CVE Dictionary Entry:
CVE-2026-3047
NVD Published Date:
03/05/2026
NVD Last Modified:
06/29/2026
Source:
Red Hat, Inc.