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-2026-15576 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: Missing Authentication for Critical Function

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...

PT-2026-79357

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...

Linux Distros Unpatched Vulnerability : CVE-2026-7485

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 ho...

CVE-2026-7485

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-2026-7485

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...

UBUNTU-CVE-2026-7485

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-2026-7485

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,

CVE-2026-7485 Frozen BI aggregations leak host and service names to unauthorized users

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...

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-2026-7485 Frozen BI aggregations leak host and service names to unauthorized users

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...

PT-2026-78995

Name of the Vulnerable Software and Affected Versions Checkmk versions prior to 2.5.0p2 Checkmk versions prior to 2.4.0p29 Checkmk versions prior to 2.3.0p47 Checkmk versions 2.2.0 through 2.2.x Description Incorrect authorization in frozen BI aggregations allows an authenticated user with...

CVE-2026-7485: Incorrect Authorization

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

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 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...

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...

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...