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CVE-2026-33457

Medium priority
Needs evaluation

Livestatus injection in the prediction graph page in Checkmk <2.5.0b4, <2.4.0p26, and <2.3.0p47 allows an authenticated user to inject arbitrary Livestatus commands via a crafted service name parameter due to insufficient...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-33456

Medium priority
Needs evaluation

Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-33455

Medium priority
Needs evaluation

Livestatus injection in the monitoring quicksearch in Checkmk <2.5.0b4 allows an authenticated attacker to inject livestatus commands via the search query due to insufficient input sanitization in search filter plugins.

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-3466

Medium priority
Needs evaluation

Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows an attacker with dashboard creation...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2025-39666

Medium priority
Needs evaluation

Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows a site user to escalate their privileges to root, by manipulating...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-24096

Medium priority
Needs evaluation

Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-33276

Medium priority
Needs evaluation

Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create hosts or services to execute arbitrary JavaScript in the browsers of other users performing searches in...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-20915

Medium priority
Needs evaluation

Stored cross-site scripting (XSS) in Checkmk version 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create pending changes to inject malicious JavaScript into the Pending Changes sidebar, which will...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2025-64998

Medium priority
Needs evaluation

Exposure of session signing secret in Checkmk <2.4.0p23, <2.3.0p45 and 2.2.0 allows an administrator of a remote site with config sync enabled to hijack sessions on the central site by forging session cookies.

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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CVE-2026-2859

Medium priority
Needs evaluation

Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p23, 2.3.0 before 2.3.0p43, and 2.2.0 (EOL) allows unauthenticated users to enumerate existing hosts by observing different HTTP response codes in deploy_agent...

1 affected package

check-mk

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
check-mk Not in release Not in release Needs evaluation
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