CVE-2026-7307

HighCVSS 7.5/10Last modified Oct 6, 2026

Description

A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service (DoS) where the server becomes unavailable.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1286

Affected software

No affected versions have been published.

Timeline

Published
May 19, 2026
Last modified
Oct 6, 2026
NVD status
Modified

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