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Workaround
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
Wed, 16 Sep 2026 19:30:00 +0000
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| Metrics |
ssvc
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Wed, 16 Sep 2026 16:30:00 +0000
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| First Time appeared |
Redhat red Hat Single Sign On
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| CPEs | cpe:/a:redhat:red_hat_single_sign_on:7 | |
| Vendors & Products |
Redhat red Hat Single Sign On
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Wed, 16 Sep 2026 16:00:00 +0000
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| Description | A flaw was found in the first-broker-login flow of the keycloak-services component. This component handles the initial authentication and account linking when a user logs in via an external identity provider. The issue allows an attacker to register a matching username on an external provider to trigger a collision in Keycloak, which results in the legitimate user being locked out of their account. | |
| Title | Keycloak-services: keycloak-services: broker-originated username collision causes account lockout | |
| First Time appeared |
Redhat
Redhat build Keycloak |
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| Weaknesses | CWE-287 | |
| CPEs | cpe:/a:redhat:build_keycloak:26.4::el9 cpe:/a:redhat:build_keycloak:26.6::el9 |
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| Vendors & Products |
Redhat
Redhat build Keycloak |
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| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-09-16T18:35:08.909Z
Reserved: 2026-08-12T08:42:14.784Z
Link: CVE-2026-19607
Updated: 2026-09-16T18:25:15.167Z
Status : Awaiting Analysis
Published: 2026-09-16T16:17:06.607
Modified: 2026-09-16T19:42:43.623
Link: CVE-2026-19607
No data.
OpenCVE Enrichment
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