Keycloak-services: keycloak-services: oidc logout endpoint session fixation via id_token_hint leading to account takeover
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| Red Hat | Red Hat build of Keycloak 26.6 | affected |
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| Red Hat | Red Hat build of Keycloak 26.6 | affected |
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| Red Hat | Red Hat build of Keycloak 26.6 | affected |
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| Red Hat | Red Hat build of Keycloak 26.6.8 | unaffected | — | ||||||
| Red Hat | Red Hat build of Keycloak 26.6.8 | unaffected | — | ||||||
| Red Hat | Red Hat Single Sign-On 7 | affected | — |
No data.
No data.
No data available yet.
Vendor 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.
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.418% probability within 30 days)
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| Metrics |
ssvc
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| References |
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| CPEs | cpe:/a:redhat:build_keycloak:26.6::el9 | |
| References |
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| Title | keycloak-services: keycloak-services: OIDC logout endpoint session fixation via id_token_hint leading to account takeover | Keycloak-services: keycloak-services: oidc logout endpoint session fixation via id_token_hint leading to account takeover |
| First Time appeared |
Redhat
Redhat build Keycloak Redhat red Hat Single Sign On |
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| CPEs | cpe:/a:redhat:build_keycloak: cpe:/a:redhat:red_hat_single_sign_on:7 |
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| Vendors & Products |
Redhat
Redhat build Keycloak Redhat red Hat Single Sign On |
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| References |
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| Description | A flaw was found in the OIDC logout endpoint of the keycloak-services component, which handles user session termination in Red Hat Build of Keycloak. The issue occurs because the system sets a session cookie based on an unvalidated token hint before completing security checks. An attacker can use this flaw to fix a session ID in a victim's browser, allowing them to hijack the victim's subsequent login and gain full control over their account. | |
| Title | keycloak-services: keycloak-services: OIDC logout endpoint session fixation via id_token_hint leading to account takeover | |
| Weaknesses | CWE-384 | |
| References |
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| Metrics |
threat_severity
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cvssV3_1
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