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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.
Thu, 29 Oct 2026 08:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Red Hat
Red Hat red Hat Build Of Keycloak 26.4 Redhat build Of Keycloak Redhat single Sign-on |
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| Vendors & Products |
Red Hat
Red Hat red Hat Build Of Keycloak 26.4 Redhat build Of Keycloak Redhat single Sign-on |
Thu, 29 Oct 2026 06:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the Pushed Authorization Request PAR implementation of the keycloak-services component. The issue occurs when an authentication flow is restarted, which incorrectly clears the internal markers used to track PAR consumption while leaving the request active. This allows an attacker to reuse the same authorization request to obtain multiple access tokens, bypassing security requirements for single-use requests. | |
| Title | Keycloak-services: keycloak-services: par single-use bypass via flow restart | |
| First Time appeared |
Redhat
Redhat build Keycloak Redhat red Hat Single Sign On |
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| Weaknesses | CWE-670 | |
| 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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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-10-29T06:22:11.710Z
Reserved: 2026-10-27T14:02:45.318Z
Link: CVE-2026-117859
No data.
Status : Awaiting Analysis
Published: 2026-10-29T07:16:44.840
Modified: 2026-10-29T07:16:44.957
Link: CVE-2026-117859
No data.
OpenCVE Enrichment
Updated: 2026-10-29T09:00:16Z