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Medium 5.3Published Jul 31, 2026

CVE-2026-15227Missing Authorization Allows Editing of Foreign Reports

Updated under an hour ago ()

Does this affect you?

It affects Checkmk GmbH Checkmk. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Missing authorization in Checkmk <2.5.0p10, <2.4.0p35, <2.3.0p49, and 2.2.0 (EOL) allows an authenticated user lacking the "Edit foreign Reports" permission to modify reports owned by other users.

CVSS
5.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-862
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Checkmk
NVD analysis
Deferred
Record last updated
Jul 31, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Checkmk GmbH Checkmk
checkmk:checkmk (from the name)
from 2.5.0 before 2.5.0p10; from 2.4.0 before 2.4.0p35; from 2.3.0 before 2.3.0p49; 2.2.0
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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