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VULNERABILITIES

CVE-2026-33456 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.6 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://checkmk.com/werk/17989 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-140Improper Neutralization of Delimiters[email protected]

Affected Products

ProductVersions
checkmk checkmk
2.4.0 -
2.4.0 b1
2.4.0 b2
2.4.0 b3
2.4.0 b4

CPE

  • cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:b4:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p25:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p8:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:*
  • cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-33456
NVD Published Date:
Apr 10, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-33456 Details - Not Deferred