CVE-2025-64998

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Exposure of session signing secret in Checkmk <2.4.0p23, <2.3.0p45 and 2.2.0 allows an administrator of a remote site with config sync enabled to hijack sessions on the central site by forging session cookies.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-522

Affected software

No affected versions have been published.

Timeline

Published: Mar 24, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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