{"id":"CVE-2026-92069","title":"Spoofing issue in the DOM: Navigation component","summary":"Spoofing issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","cwe":["CWE-451","CWE-601"],"vendor":"mozilla","product":"firefox","affected":["firefox < 153.3.0","firefox >= 154.0.0, < 156.0.0","thunderbird < 153.3.0","thunderbird >= 154.0, < 156.0"],"patched":["firefox 156.0.0","thunderbird 156.0"],"published":"2026-09-15","updated":"2026-10-05","sourceUpdated":"2026-10-05T19:41:14.813","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92069","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2059196","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-94/","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-96/","label":"security@mozilla.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92069.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92069"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2533794"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92069"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92069"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/#CVE-2026-92069"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-94/#CVE-2026-92069"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.0018,"epssPercentile":0.07469,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-22T15:27:29.342794Z"},"scores":{"nvd":5.4,"vendor":3.4,"adp":5.4},"ingestedAt":"2026-09-15T12:36:50.177Z","slug":"CVE-2026-92069","body":"## Overview\n\nSpoofing issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.\n\n## Affected\n\n- `firefox < 153.3.0`\n- `firefox >= 154.0.0, < 156.0.0`\n- `thunderbird < 153.3.0`\n- `thunderbird >= 154.0, < 156.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 156.0.0`\n- `thunderbird 156.0`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · updated 2026-09-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92069.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":209200,"id":"CVE-2026-92069","ts":1790096862910,"field":"cvss","old":"3.4","new":"5.4"},{"seq":209199,"id":"CVE-2026-92069","ts":1790096862910,"field":"severity","old":"low","new":"medium"},{"seq":207010,"id":"CVE-2026-92069","ts":1789749740110,"field":"cvss","old":null,"new":"3.4"},{"seq":207009,"id":"CVE-2026-92069","ts":1789749740110,"field":"severity","old":"none","new":"low"}]}