Critical severityNVD Advisory· Published Nov 11, 2026· Updated Nov 11, 2026
CVE-2026-121374
CVE-2026-121374
Description
Argument injection in the Kubernetes special agent in Checkmk <2.5.0p19, <2.4.0p40, and 2.3.0 (EOL) allows a user with permission to edit rules in at least one folder to write files to arbitrary locations writable by the site user via crafted node roles in the "Exclude nodes based on their role" rule option, leading to code execution as the site user.
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Affected products
2- Range: <2.5.0p19, <2.4.0p40, and 2.3.0
Patches
Vulnerability mechanics
References
1News mentions
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