CVE-2026-33456

MEDIUM EPSS 9.6%
Published Apr 10, 20262mo ago · Modified Jun 17, 20261w ago
5.1 CVSS 4.0
Medium
Find Similar
Published Apr 10, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.

CVSS Details

Base Score
5.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
9.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-140

Affected Products 35

VendorProductVersionRange
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.4.0any
checkmkcheckmk2.5.0any
checkmkcheckmk2.5.0any
checkmkcheckmk2.5.0any

References 1

  • checkmk.com https://checkmk.com/werk/17989
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.