01 Record

CVE-2026-15576

Agent receiver accepts mTLS requests without a client certificate

MediumPUBLISHEDCNA: Checkmk

Base score6.9 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

02 Description

Agent receiver accepts mTLS requests without a client certificate

Published

2026-08-21 11:10Z14 HR AGO

Last updated

2026-08-21 11:53Z13 HR AGO

Reserved

2026-07-13

Assigning CNA

Checkmk

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Weaknesses

SSVC decision

ExploitationnoneAutomatableyesTechnical Impactpartial

Data version

5.2

Document digest

411c284b89e75705cd85aa2050054353605932762ca25072b171f50b5997bc5b

VendorProductVersionsPlatforms

Checkmk GmbHCheckmk2.5.0 to < 2.5.0p10—

01 Record