{"id":"CVE-2026-33455","state":"PUBLISHED","title":"Livestatus injection in monitoring quicksearch","description":"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.","publishedAt":"2026-04-10T08:30:20.089Z","updatedAt":"2026-04-14T13:30:16.535Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","source":"Checkmk"},"assigner":"Checkmk","products":["Checkmk GmbH Checkmk"],"affected":[{"vendor":"Checkmk GmbH","product":"Checkmk","defaultStatus":"unaffected","versions":[{"version":"2.5.0","status":"affected","lessThan":"2.5.0b4","versionType":"semver"}]}],"references":["https://checkmk.com/werk/17988"],"weaknesses":["CWE-140"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33455.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33455","state":"PUBLISHED","datePublished":"2026-04-10T08:30:20.089Z","dateUpdated":"2026-04-14T13:30:16.535Z","assignerShortName":"Checkmk","assignerOrgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","dateReserved":"2026-03-20T10:30:13.352Z"},"containers":{"cna":{"title":"Livestatus injection in monitoring quicksearch","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Checkmk GmbH","product":"Checkmk","defaultStatus":"unaffected","versions":[{"version":"2.5.0","status":"affected","lessThan":"2.5.0b4","versionType":"semver"}]}],"references":[{"url":"https://checkmk.com/werk/17988","tags":["vendor-advisory"]}],"metrics":[{"cvssV4_0":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-140","description":"CWE-140: Improper Neutralization of Delimiters","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Checkmk","orgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","dateUpdated":"2026-04-10T08:30:20.089Z"},"impacts":[{"capecId":"CAPEC-15","descriptions":[{"lang":"en","value":"CAPEC-15: Command Delimiters"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*","versionStartIncluding":"2.5.0b1","versionEndExcluding":"2.5.0b4"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-14T03:55:35.746063Z","id":"CVE-2026-33455","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-14T13:30:16.535Z"}}]}}}