CVE-2025-64998 — Session hijacking via exposed session signing secret in distributed Checkmk setups
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 …
Published: 2026-03-24 · CVSS: 7.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7