{"id":"CVE-2026-33456","summary":"Potential livestatus injection in notification test","details":"Livestatus injection in the notification test mode in Checkmk \u003c2.5.0b4 and \u003c2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.","modified":"2026-10-28T02:30:59.702111438Z","published":"2026-04-10T08:31:27.807Z","database_specific":{"cna_assigner":"Checkmk","cwe_ids":["CWE-140"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33456.json","unresolved_ranges":[{"extracted_events":[{"range":[{"introduced":"2.5.0"},{"fixed":"2.5.0b4"},{"introduced":"2.4.0"},{"fixed":"2.4.0p26"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}]},"references":[{"type":"ADVISORY","url":"https://checkmk.com/werk/17989"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33456.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33456"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/checkmk/checkmk","events":[{"introduced":"4abde4a41de677e103561e4fb75b81f6ee8b80dd"},{"last_affected":"14b86ce30afda1554eaa997f6dfb850bb9a2bee6"}],"database_specific":{"extracted_events":[{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*","range":[{"introduced":"2.4.0-NA"},{"last_affected":"2.4.0-NA"}]},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:*","range":[{"introduced":"2.4.0-b1"},{"last_affected":"2.4.0-b1"}]},{"range":[{"introduced":"2.4.0-p1"},{"last_affected":"2.4.0-p1"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*"},{"range":[{"introduced":"2.4.0-b2"},{"last_affected":"2.4.0-b2"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p2"},{"last_affected":"2.4.0-p2"}],"source":"CPE_STRING"},{"range":[{"introduced":"2.4.0-b3"},{"last_affected":"2.4.0-b3"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p3"},{"last_affected":"2.4.0-p3"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b4:*:*:*:*:*:*","range":[{"introduced":"2.4.0-b4"},{"last_affected":"2.4.0-b4"}]},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p4"},{"last_affected":"2.4.0-p4"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:*","range":[{"introduced":"2.4.0-b5"},{"last_affected":"2.4.0-b5"}]},{"range":[{"introduced":"2.4.0-p5"},{"last_affected":"2.4.0-p5"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*","range":[{"introduced":"2.4.0-b6"},{"last_affected":"2.4.0-b6"}],"source":"CPE_STRING"},{"range":[{"introduced":"2.4.0-p6"},{"last_affected":"2.4.0-p6"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*"},{"range":[{"introduced":"2.4.0-p10"},{"last_affected":"2.4.0-p10"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p11"},{"last_affected":"2.4.0-p11"}],"source":"CPE_STRING"},{"range":[{"introduced":"2.4.0-p12"},{"last_affected":"2.4.0-p12"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p13"},{"last_affected":"2.4.0-p13"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p14"},{"last_affected":"2.4.0-p14"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p15"},{"last_affected":"2.4.0-p15"}],"source":"CPE_STRING"},{"range":[{"introduced":"2.4.0-p16"},{"last_affected":"2.4.0-p16"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p17"},{"last_affected":"2.4.0-p17"}]},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p18"},{"last_affected":"2.4.0-p18"}]},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p19"},{"last_affected":"2.4.0-p19"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p20"},{"last_affected":"2.4.0-p20"}]},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p21"},{"last_affected":"2.4.0-p21"}]},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p22"},{"last_affected":"2.4.0-p22"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p23"},{"last_affected":"2.4.0-p23"}]},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*","range":[{"introduced":"2.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