{"schema":"threatline.record/2","record":{"id":"CVE-2026-100240","aliases":[],"summary":"TemplateSandbox does not check read permissions for the page being previewed","details":"Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Accessing Functionality Not Properly Constrained by ACLs.\n\nThis issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.","categories":["Applications & CMS"],"product":"Mediawiki - TemplateSandbox Extension","vendor":"Wikimedia Foundation","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100240","source_modified_at":"2026-10-01T18:07:53.717Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Mediawiki - TemplateSandbox Extension","vendor":"Wikimedia Foundation","versions":[{"status":"affected","version":"*","lessThan":"1.46.1, 1.45.5, 1.43.10","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100240","source_modified_at":"2026-10-01T18:07:53.717Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Mediawiki - TemplateSandbox Extension","ecosystem":null},"version":"1.46.1, 1.45.5, 1.43.10","basis":"first unaffected version stated in the CVE record"}],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00298,"percentile":0.21331,"score_date":"2026-10-23"},"published_at":"2026-09-29T16:26:31.215Z","modified_at":"2026-10-01T18:07:53.717Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100240","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T18:07:53.717Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100240","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://phabricator.wikimedia.org/T407974"},{"source":"CVE List","url":"https://gerrit.wikimedia.org/r/q/Iaf9f6e2280798af5516197257ddc0264b9ad9fb7"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-01T18:07:46.261263Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T18:07:53.717Z","content_hash":"f714f885c0273c35af2b5573d3513c7b5daab5d56428ef303a28f30ffaba2624"}}