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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.
Tue, 04 Aug 2026 15:30:00 +0000
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| Metrics |
ssvc
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Tue, 04 Aug 2026 05:45:00 +0000
| Type | Values Removed | Values Added |
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| Title | keycloak-services: keycloak-services: OIDC backchannel logout accepts unsigned forged logout tokens | Keycloak-services: keycloak-services: oidc backchannel logout accepts unsigned forged logout tokens |
| First Time appeared |
Redhat build Keycloak
Redhat jboss Data Grid Redhat jbosseapxp Redhat red Hat Single Sign On |
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| CPEs | cpe:/a:redhat:build_keycloak: cpe:/a:redhat:jboss_data_grid:8 cpe:/a:redhat:jbosseapxp cpe:/a:redhat:red_hat_single_sign_on:7 |
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| Vendors & Products |
Redhat build Keycloak
Redhat jboss Data Grid Redhat jbosseapxp Redhat red Hat Single Sign On |
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| References |
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Sun, 02 Aug 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat
Redhat keycloak |
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| Vendors & Products |
Redhat
Redhat keycloak |
Sun, 02 Aug 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the backchannel logout endpoint of the keycloak-services component, which is part of the Red Hat Build of Keycloak. This component handles authentication and session management for applications. The issue occurs when an OIDC identity provider is configured to skip signature validation. In this specific setup, the system incorrectly accepts logout requests that have no cryptographic signature. An attacker who knows certain technical details about a user's session can use this flaw to force that user to be logged out, potentially disrupting their work. | |
| Title | keycloak-services: keycloak-services: OIDC backchannel logout accepts unsigned forged logout tokens | |
| Weaknesses | CWE-347 | |
| References |
| |
| Metrics |
threat_severity
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cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-08-04T14:40:25.485Z
Reserved: 2026-08-02T05:15:06.002Z
Link: CVE-2026-18569
Updated: 2026-08-04T14:40:21.641Z
No data.
OpenCVE Enrichment
Updated: 2026-08-03T08:45:03Z