CVE-2026-2859

MEDIUM

4.3

Description

Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p23, 2.3.0 before 2.3.0p43, and 2.2.0 (EOL) allows unauthenticated users to enumerate existing hosts by observing different HTTP response codes in deploy_agent endpoint, which could lead to information disclosure.

Details CVE

Score CVSS v3.14.3

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/13/2026

Derniere modification3/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

checkmk:checkmk

Faiblesses (CWE)

CWE-204

References

https://checkmk.com/werk/18994(security@checkmk.com)

Correlations IOC

Aucune correlation enregistree

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