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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, 05 Nov 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in the SAML XML processing component of Keycloak, an open-source identity and access management solution. The issue occurs when the server parses XML documents containing excessively long dateTime or duration values. Because these strings are not properly validated before processing, the XML parser consumes excessive CPU time. An unauthenticated remote attacker can exploit this by sending specially crafted SAML requests to the server, leading to high CPU utilization and a denial of service for all users. | |
| Title | Keycloak-services: keycloak-services: unauthenticated cpu denial of service via saml xml datetime and duration parsing | |
| First Time appeared |
Redhat
Redhat build Keycloak Redhat red Hat Single Sign On |
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| Weaknesses | CWE-400 | |
| 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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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-11-05T20:53:47.046Z
Reserved: 2026-10-07T07:36:42.812Z
Link: CVE-2026-107123
No data.
Status : Awaiting Analysis
Published: 2026-11-05T17:17:34.950
Modified: 2026-11-05T21:18:35.140
Link: CVE-2026-107123
No data.
OpenCVE Enrichment
Updated: 2026-11-05T17:30:19Z