200 matches found
EUVD-2026-11784
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 deployagent endpoint, which could lead to information disclosure...
CVE-2026-24097 Authenticated Host Enumeration via Observable Response Discrepancy on Agent Register Existing Endpoint
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 authenticated users to enumerate existing hosts by observing different HTTP response codes in agent-receiver/registerexisting endpoint, which could lead to information disclosure...
CVE-2026-24097
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 authenticated users to enumerate existing hosts by observing different HTTP response codes in agent-receiver/registerexisting endpoint, which could lead to information disclosure...
Checkmk security vulnerabilities
Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.4.0p23, 2.3.0p43, and 2.2.0 contain security vulnerabilities. These vulnerabilities stem from improper permission execution, allowing unauthorized users to enumerate existing hosts by observing...
PT-2026-25168
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 authenticated users to enumerate existing hosts by observing different HTTP response codes in agent-receiver/register existing endpoint, which could lead to information disclosur...
CVE-2026-3103
A logic error in the removepassword function in Checkmk GmbH's Checkmk versions 2.4.0p23, 2.3.0p43, and 2.2.0 EOL allows a low-privileged user to cause data loss...
CVE-2026-3103
A logic error in the removepassword function in Checkmk GmbH's Checkmk versions 2.4.0p23, 2.3.0p43, and 2.2.0 EOL allows a low-privileged user to cause data loss...
Checkmk security vulnerabilities
Checkmk is an IT monitoring platform developed by Checkmk Corporation. Checkmk has a security vulnerability, which stems from a logical error in the removepassword function. This vulnerability could potentially lead to data loss for users with low privileges...
CVE-2025-64999
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link...
CVE-2025-64999
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link...
UBUNTU-CVE-2025-64999
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link...
CVE-2025-64999
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link...
CVE-2025-64999 Cross-site scripting in HTML logs of Synthetic Monitoring test services
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link...
CVE-2025-64999
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link...
Checkmk security vulnerabilities
Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.4.0p22 and 2.3.0p43 contained security vulnerabilities. These vulnerabilities were due to improper input handling, which could allow attackers to inject malicious JavaScript into the Synthetic...
PT-2026-22137
Name of the Vulnerable Software and Affected Versions Checkmk versions 2.3.0 through 2.3.0p43 Checkmk versions 2.4.0 through 2.4.0p22 Description The software contains a flaw due to improper neutralization of input. An attacker who can manipulate a host's check output can inject malicious...
CVE-2026-24095
Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p21, 2.3.0 before 2.3.0p43, and 2.2.0 EOL allows users with the "Use WATO" permission to access the "Analyze configuration" page by directly navigating to its URL, bypassing the intended "Access analyze configuration" permissio...
CVE-2026-24095
CVE-2026-24095 affects Checkmk: improper permission enforcement allows users with the Use WATO permission to directly access the Analyze configuration page, bypassing Access analyze configuration. If such users also hold Make changes, perform actions, they can disable checks or acknowledge result...
CVE-2023-31208
Improper neutralization of livestatus command delimiters in the RestAPI in Checkmk 2.0.0p36, 2.1.0p28, and 2.2.0b8 beta allows arbitrary livestatus command execution for authorized users...