{"affected":[{"defaultStatus":"unaffected","product":"Checkmk","source":"CNA: Checkmk","vendor":"Checkmk GmbH","versions":[{"lessThan":"2.5.0p19","status":"affected","version":"2.5.0","versionType":"semver"},{"lessThan":"2.4.0p40","status":"affected","version":"2.4.0","versionType":"semver"},{"status":"affected","version":"2.3.0","versionType":"semver"}]}],"cveId":"CVE-2026-118965","cwes":["CWE-22"],"description":"Path traversal in the discovered host label synchronization in Checkmk <2.5.0p19, <2.4.0p40 and 2.3.0 (EOL) allows an attacker in control of a remote site in a distributed monitoring setup to write arbitrary files on the central site and thereby execute code as the central site user.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":9.4,"severity":"critical","source":"CNA: Checkmk","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0"},{"score":9.4,"severity":"critical","source":"NVD: security@checkmk.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"}],"modifiedAt":1794395833223,"publishedAt":1794394085582,"references":[{"source":"CNA: Checkmk","tags":["vendor-advisory"],"url":"https://checkmk.com/werk/22120"},{"source":"security@checkmk.com","tags":[],"url":"https://checkmk.com/werk/22120"}],"remediation":[],"revision":"7c31a93243a05558974513597632829ebd77f578d7ec9814a793129cf3c0cc2e","sources":[{"modifiedAt":1794394085582,"name":"CNA: Checkmk","retrievedAt":1794395322727,"url":"https://www.cve.org/CVERecord?id=CVE-2026-118965"},{"modifiedAt":1794395833223,"name":"NVD","retrievedAt":1794399484274,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118965"}],"ssvc":null,"status":"published","title":"Path traversal in host label synchronization allows code execution on the central site from a remote site","updatedAt":1794399484274}