{"api_version":"1","generated_at":"2026-11-10T16:43:34+00:00","cve":"CVE-2026-124940","urls":{"html":"https://cve.report/CVE-2026-124940","api":"https://cve.report/api/cve/CVE-2026-124940.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-124940","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-124940"},"summary":{"title":"Mitigation bypass in the File Handling component","description":"Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.","state":"PUBLISHED","assigner":"mozilla","published_at":"2026-11-10 14:17:28","updated_at":"2026-11-10 16:27:13"},"problem_types":[],"metrics":[],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2026-127/","name":"https://www.mozilla.org/security/advisories/mfsa2026-127/","refsource":"security@mozilla.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2076948","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=2076948","refsource":"security@mozilla.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-125/","name":"https://www.mozilla.org/security/advisories/mfsa2026-125/","refsource":"security@mozilla.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-124940","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124940","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Mozilla","product":"Firefox","version":"unaffected 153.7 153.* rpm","platforms":[]},{"source":"CNA","vendor":"Mozilla","product":"Firefox","version":"unaffected 160 * rpm","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Takashi Suzuki","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"lessThanOrEqual":"153.*","status":"unaffected","version":"153.7","versionType":"rpm"},{"lessThanOrEqual":"*","status":"unaffected","version":"160","versionType":"rpm"}]}],"credits":[{"lang":"en","value":"Takashi Suzuki"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7."}],"value":"Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7."}],"providerMetadata":{"dateUpdated":"2026-11-10T13:28:46.729Z","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla"},"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2076948"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-125/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-127/"}],"title":"Mitigation bypass in the File Handling component"}},"cveMetadata":{"assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","assignerShortName":"mozilla","cveId":"CVE-2026-124940","datePublished":"2026-11-10T13:28:46.729Z","dateReserved":"2026-11-09T14:48:12.627Z","dateUpdated":"2026-11-10T13:28:46.729Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-10 14:17:28","lastModifiedDate":"2026-11-10 16:27:13","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"124940","Ordinal":"1","Title":"Mitigation bypass in the File Handling component","CVE":"CVE-2026-124940","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"124940","Ordinal":"1","NoteData":"Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.","Type":"Description","Title":"Mitigation bypass in the File Handling component"}]}}}