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High severity7.6NVD Advisory· Published Apr 10, 2026· Updated Apr 20, 2026

CVE-2026-33456

CVE-2026-33456

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

36
  • Checkmk/Checkmk36 versions
    cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*+ 35 more
    • 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:*:*:*:*:*:*
    • (no CPE)range: <2.4.0p26 and <2.5.0b4

Patches

Vulnerability mechanics

References

1

News mentions

0

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