CVE-2026-15227 | BDVDB-2026-354352 Detail

CheckmkCheckmk

Description#

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.

Impact#

CAPEC-122: Privilege Abuse

Weaknesses#

CWE-862 Missing Authorization

References#

https://checkmk.com/werk/20003

Exploit#

No public exploit known

History#

Version 12026-07-31Record published in the CVE List.

Published

Published: 2026-07-31
Last modified: 2026-07-31

Vendor information

Vendor: Checkmk
Product: Checkmk

All Checkmk vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 29.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2.5.0 and < 2.5.0p10
Fixed
2.5.0p10
Vulnerable
>= 2.4.0 and < 2.4.0p35
Fixed
2.4.0p35
Vulnerable
>= 2.3.0 and < 2.3.0p49
Fixed
2.3.0p49
Vulnerable
2.2.0
Fixed
Not stated

Scoring System

CVSS v4.0

5.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	Low
Vulnerable System Availability	None
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).