{"id":"CVE-2026-44392","aliases":["EUVD-2026-31066","GHSA-98gq-cq48-6gcm"],"status":"published","title":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user...","description":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00249,"percentile":0.1638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-05-20T05:28:14Z","modified":"2026-07-24T10:10:00Z","products":[{"vendor":"six apart ltd.","product":"movable type"},{"vendor":"six apart ltd.","product":"movable type advanced"},{"vendor":"six apart ltd.","product":"movable type premium"},{"vendor":"six apart ltd.","product":"movable type premium (advanced edition)"}],"references":[{"url":"https://movabletype.org/news/2026/05/mt-908-released.html"},{"url":"https://www.sixapart.jp/movabletype/news/2026/05/20-1100.html"},{"url":"https://jvn.jp/en/jp/JVN66473735/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44392"},{"url":"https://jvn.jp/en/jp/JVN66473735"},{"url":"https://github.com/advisories/GHSA-98gq-cq48-6gcm"}],"sources":{"cve":[{"id":"CVE-2026-44392","description":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.","status":"published","published":"2026-05-20T05:28:14.892Z","modified":"2026-05-20T13:04:04.783Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:43:00.288193Z"}],"euvd":[{"id":"EUVD-2026-31066","description":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.","status":"published","published":"2026-05-20T05:28:14Z","modified":"2026-05-20T13:04:04Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:21:14.831553Z"}],"ghsa":[{"id":"GHSA-98gq-cq48-6gcm","title":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user...","description":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.","status":"published","published":"2026-05-20T09:30:34Z","modified":"2026-05-20T09:30:37Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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","level":"medium"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:08:13.172248Z"}],"nvd":[{"id":"CVE-2026-44392","description":"Missing authorization vulnerability exists in Movable Type. Under certain conditions, when a user without administrator privileges signs in to the product, unintended update processing may be executed.","status":"published","published":"2026-05-20T07:16:15.317Z","modified":"2026-07-24T10:10:00.197Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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","level":"medium","assessor":"secondary"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:19.752984Z"}]}}