CVE-2026-33456

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Checkmk GmbHCheckmk2.5.0 < 2.5.0b4affected
Checkmk GmbHCheckmk2.4.0 < 2.4.0p26affected

Weaknesses

  • CWE-140: CWE-140: Improper Neutralization of Delimiters

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References