{"id":"CVE-2026-24096","summary":"Insufficient permission validation on multiple REST API Quick Setup endpoints","details":"Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information","modified":"2026-10-28T02:30:27.587219851Z","published":"2026-04-01T10:07:21.670Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"range":[{"introduced":"2.5.0b1"},{"fixed":"2.5.0b2"},{"introduced":"2.4.0"},{"fixed":"2.4.0p25"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}],"cna_assigner":"Checkmk","cwe_ids":["CWE-280"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24096.json"},"references":[{"type":"WEB","url":"https://checkmk.com/werk/18989"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24096.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24096"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/checkmk/checkmk","events":[{"introduced":"4abde4a41de677e103561e4fb75b81f6ee8b80dd"},{"last_affected":"406aa5e6e4301396e7db0a7a763e8db1de64635e"}],"database_specific":{"extracted_events":[{"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:-:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:*","range":[{"introduced":"2.4.0-b1"},{"last_affected":"2.4.0-b1"}],"source":"CPE_STRING"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p1"},{"last_affected":"2.4.0-p1"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*","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:p2:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p2"},{"last_affected":"2.4.0-p2"}]},{"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"},{"range":[{"introduced":"2.4.0-b4"},{"last_affected":"2.4.0-b4"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk: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"},{"range":[{"introduced":"2.4.0-b5"},{"last_affected":"2.4.0-b5"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk: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:*:*:*:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*","range":[{"introduced":"2.4.0-b6"},{"last_affected":"2.4.0-b6"}]},{"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:*:*:*:*:*:*"},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p10"},{"last_affected":"2.4.0-p10"}],"source":"CPE_STRING"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p11"},{"last_affected":"2.4.0-p11"}]},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p12"},{"last_affected":"2.4.0-p12"}],"source":"CPE_STRING"},{"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:p13:*:*:*:*:*:*"},{"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"},{"range":[{"introduced":"2.4.0-p15"},{"last_affected":"2.4.0-p15"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*","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:p17:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p17"},{"last_affected":"2.4.0-p17"}]},{"cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*","range":[{"introduced":"2.4.0-p18"},{"last_affected":"2.4.0-p18"}],"source":"CPE_STRING"},{"range":[{"introduced":"2.4.0-p19"},{"last_affected":"2.4.0-p19"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*"},{"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"},{"range":[{"introduced":"2.4.0-p23"},{"last_affected":"2.4.0-p23"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p23:*:*:*:*:*:*"},{"source":"CPE_STRING","cpe":"cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*","range":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