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VULNERABILITIES

CVE-2026-82965 Details

Description

A flaw was found in the SAML implementation of Keycloak, an open-source identity and access management solution. The SAML Artifact Resolution and ECP SOAP endpoints do not properly limit the size or complexity of incoming XML requests. An unauthenticated remote attacker can exploit this by sending specially crafted, large XML messages that cause the server to consume excessive memory. This leads to the application running out of memory and crashing, resulting in a denial of service for all users.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:95759 [email protected]
https://access.redhat.com/errata/RHSA-2026:95760 [email protected]
https://access.redhat.com/errata/RHSA-2026:95761 [email protected]
https://access.redhat.com/errata/RHSA-2026:95762 [email protected]
https://access.redhat.com/security/cve/CVE-2026-82965 [email protected]

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-82965
NVD Published Date:
Nov 5, 2026
NVD Last Modified:
Nov 6, 2026
Source:
[email protected]
CVE-2026-82965 Details - Not Deferred