CVE-2026-24096

published 2026-04-01

CVE-2026-24096: Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25…

Priority P3 49 high 8.8 CVSS 3.1

AV N AC L PR L UI N S U C H I H A H

Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information

Affected

4 ranges

Vendor	Product	Version range	Fixed in
checkmk	checkmk	—	—
checkmk	checkmk	—	—
checkmk_gmbh	checkmk	>= 2.4.0 < 2.4.0p25	2.4.0p25
checkmk_gmbh	checkmk	>= 2.5.0b1 < 2.5.0b2	2.5.0b2

CVSS provenance

nvd v3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvd v4.0 5.3 MEDIUM CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

osv 5.3 MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-280