{ "affected": [ { "ranges": [ { "database_specific": { "cpe": [ "cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:b4:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p25:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p8:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.5.0:b2:*:*:*:*:*:*", "cpe:2.3:a:checkmk:checkmk:2.5.0:b3:*:*:*:*:*:*" ], "extracted_events": [ { "introduced": "2.4.0-NA" }, { "last_affected": "2.4.0-NA" }, { "introduced": "2.4.0-b1" }, { "last_affected": "2.4.0-b1" }, { "introduced": "2.4.0-p1" }, { "last_affected": "2.4.0-p1" }, { "introduced": "2.4.0-b2" }, { "last_affected": "2.4.0-b2" }, { "introduced": "2.4.0-p2" }, { "last_affected": "2.4.0-p2" }, { "introduced": "2.4.0-b3" }, { "last_affected": "2.4.0-b3" }, { "introduced": "2.4.0-p3" }, { "last_affected": "2.4.0-p3" }, { "introduced": "2.4.0-b4" }, { "last_affected": "2.4.0-b4" }, { "introduced": "2.4.0-p4" }, { "last_affected": "2.4.0-p4" }, { "introduced": "2.4.0-b5" }, { "last_affected": "2.4.0-b5" }, { "introduced": "2.4.0-p5" }, { "last_affected": "2.4.0-p5" }, { "introduced": "2.4.0-b6" }, { "last_affected": "2.4.0-b6" }, { "introduced": "2.4.0-p6" }, { "last_affected": "2.4.0-p6" }, { "introduced": "2.4.0-p10" }, { "last_affected": "2.4.0-p10" }, { "introduced": "2.4.0-p11" }, { "last_affected": "2.4.0-p11" }, { "introduced": "2.4.0-p12" }, { "last_affected": "2.4.0-p12" }, { "introduced": "2.4.0-p13" }, { "last_affected": "2.4.0-p13" }, { "introduced": "2.4.0-p14" }, { "last_affected": "2.4.0-p14" }, { "introduced": "2.4.0-p15" }, { "last_affected": "2.4.0-p15" }, { "introduced": "2.4.0-p16" }, { "last_affected": "2.4.0-p16" }, { "introduced": "2.4.0-p17" }, { "last_affected": "2.4.0-p17" }, { "introduced": "2.4.0-p18" }, { "last_affected": "2.4.0-p18" }, { "introduced": "2.4.0-p19" }, { "last_affected": "2.4.0-p19" }, { "introduced": "2.4.0-p20" }, { "last_affected": "2.4.0-p20" }, { "introduced": "2.4.0-p21" }, { "last_affected": "2.4.0-p21" }, { "introduced": "2.4.0-p22" }, { "last_affected": "2.4.0-p22" }, { "introduced": "2.4.0-p23" }, { "last_affected": "2.4.0-p23" }, { "introduced": "2.4.0-p24" }, { "last_affected": "2.4.0-p24" }, { "introduced": "2.4.0-p25" }, { "last_affected": "2.4.0-p25" }, { "introduced": "2.4.0-p7" }, { "last_affected": "2.4.0-p7" }, { "introduced": "2.4.0-p8" }, { "last_affected": "2.4.0-p8" }, { "introduced": "2.4.0-p9" }, { "last_affected": "2.4.0-p9" }, { "introduced": "2.5.0-b1" }, { "last_affected": "2.5.0-b1" }, { "introduced": "2.5.0-b2" }, { "last_affected": "2.5.0-b2" }, { "introduced": "2.5.0-b3" }, { "last_affected": "2.5.0-b3" } ], "source": "CPE_STRING" }, "events": [ { "introduced": "4abde4a41de677e103561e4fb75b81f6ee8b80dd" }, { "last_affected": "14b86ce30afda1554eaa997f6dfb850bb9a2bee6" } ], "repo": "https://github.com/checkmk/checkmk", "type": "GIT" } ], "versions": [ "2.4.0-NA", "2.4.0-b1", "2.4.0-b2", "2.4.0-b3", "2.4.0-b4", "2.4.0-b5", "2.4.0-b6", "2.4.0-p10", "2.4.0-p11", "2.4.0-p12", "2.4.0-p13", "2.4.0-p14", "2.4.0-p15", "2.4.0-p16", "2.4.0-p17", "2.4.0-p18", "2.4.0-p19", "2.4.0-p20", "2.4.0-p21", "2.4.0-p22", "2.4.0-p23", "2.4.0-p24", "2.4.0-p25", "2.4.0-p7", "2.4.0-p8", "2.4.0-p9", "2.5.0-b1", "2.5.0-b2", "2.5.0-b3" ] } ], "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": [ { "introduced": "2.5.0" }, { "fixed": "2.5.0b4" }, { "introduced": "2.4.0" }, { "fixed": "2.4.0p26" } ], "source": "AFFECTED_FIELD" }, { "extracted_events": [ { "introduced": "2.5.0" }, { "fixed": "2.5.0b4" }, { "introduced": "2.4.0" }, { "fixed": "2.4.0p26" } ], "source": "CPE_FIELD" } ] }, "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.", "id": "CVE-2026-33456", "modified": "2026-07-08T05:36:10.808363108Z", "published": "2026-04-10T08:31:27.807Z", "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" } ], "schema_version": "1.7.5", "severity": [ { "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "type": "CVSS_V4" } ], "summary": "Potential livestatus injection in notification test" }