CVE-2026-15227

mediumpriority · track · 0OT risk · elevatedEPSS 0.004 · 27 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (27th) EPSS

CVSS 5.3 · medium

Is it mine?

12 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-22

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

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3

v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/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:Xsecondary · security@checkmk.com

v4.01.3lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862US

affected products (12)

Products and version ranges known to be affected.

Checkmk Checkmk <2.3.0p49all versionscert_bundDE
Checkmk Checkmk <2.4.0p35all versionscert_bundDE
Checkmk Checkmk <2.5.0p10all versionscert_bundDE
Checkmk Checkmk <3.0.0b1all versionscert_bundDE
Checkmk Checkmk< 2.3.0p49cert_bundDE
Checkmk Checkmk< 2.4.0p35cert_bundDE
Checkmk Checkmk< 2.5.0p10cert_bundDE
Checkmk Checkmk< 3.0.0b1cert_bundDE
Checkmk GmbH Checkmk≤ 2.2.0enisa_euvdEU
Checkmk GmbH Checkmk2.3.0 → 2.3.0p49enisa_euvdEU
Checkmk GmbH Checkmk2.4.0 → 2.4.0p35enisa_euvdEU
Checkmk GmbH Checkmk2.5.0 → 2.5.0p10enisa_euvdEU

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2519Checkmk: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen und Manipulation von DateienDeutsch2026-07-26csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Checkmk ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um Dateien zu manipulieren.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2026-07-31modified 2026-09-03

references (3)

External citations — patches, advisories, analysis.

scry

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