CVE-2026-15576

Improper authentication in the agent receiver of Checkmk 2.5.0p10 allows an unauthenticated remote attacker to bypass mutual TLS client certificate verification of relay endpoints by supplying a fixed placeholder identity in the request URL, resulting in limited impact on integrity and...

CVE-2026-15576 Agent receiver accepts mTLS requests without a client certificate

Improper authentication in the agent receiver of Checkmk 2.5.0p10 allows an unauthenticated remote attacker to bypass mutual TLS client certificate verification of relay endpoints by supplying a fixed placeholder identity in the request URL, resulting in limited impact on integrity and...

CVE-2026-15576

CVE-2026-15576 is an improper authentication vulnerability in the agent receiver of Checkmk versions prior to 2.5.0p10 . An unauthenticated remote attacker can bypass mutual TLS (mTLS) client certificate verification on relay endpoints by supplying a fixed placeholder identity in the request URL....

EUVD-2026-63903

Improper authentication in the agent receiver of Checkmk 2.5.0p10 allows an unauthenticated remote attacker to bypass mutual TLS client certificate verification of relay endpoints by supplying a fixed placeholder identity in the request URL, resulting in limited impact on integrity and...

CVE-2026-7485

In Checkmk, incorrect authorization in frozen BI aggregations lets an authenticated user with restricted host/service visibility learn the names and existence of hosts and services they should not see. Affected versions: <2.5.0p2, <2.4.0p29,

EUVD-2026-63321

Incorrect authorization in frozen BI aggregations in Checkmk 2.5.0p2, 2.4.0p29, 2.3.0p47, and all 2.2.0 versions allows an authenticated user with restricted host and service visibility to learn the names and the existence of hosts and services they are not authorized to see...

CVE-2026-15227

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...

CVE-2026-15227

Summary: CVE-2026-15227 affects Checkmk prior to versions 2.5.0p10, 2.4.0p35, 2.3.0p49, and 2.2.0 (EOL). An authenticated user who lacks the "Edit foreign Reports" permission can modify reports owned by other users due to missing authorization. What’s affected: Checkmk installations running the l...

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

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...

EUVD-2026-51529

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...

PT-2026-66752

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...

Linux Distros Unpatched Vulnerability : CVE-2026-8593

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without...

CVE-2026-8593

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without permissions to view and modify BI packs and rules...

UBUNTU-CVE-2026-8593

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without permissions to view and modify BI packs and rules...

CVE-2026-8593

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without permissions to view and modify BI packs and rules...

CVE-2026-8593 Fix Business Intelligence API Pack permission

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without permissions to view and modify BI packs and rules...

EUVD-2026-46165

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without permissions to view and modify BI packs and rules...

CVE-2026-8593

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows users without permissions to view and modify BI packs and rules...

CVE-2026-8593

CVE-2026-8593 affects Checkmk BI API Pack permission enforcement in versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL). The issue allows users without permissions to view and modify BI packs and rules. The provided metrics indicate a CVSS v4.0 base score ...

Linux Distros Unpatched Vulnerability : CVE-2026-14852

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Privilege escalation in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 EOL allows a local unprivileged user to...