{"id":"CVE-2026-8706","title":"Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies","summary":"Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. This vulnerability …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-200","CWE-306"],"vendor":"mozilla","product":"firefox","affected":["firefox < 151.0"],"patched":["firefox 151.0"],"published":"2026-05-19","updated":"2026-07-23","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8706","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2036618","label":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-49/","label":"security@mozilla.org"}],"tags":["nvd"],"epss":0.00233,"epssPercentile":0.12613,"ingestedAt":"2026-07-23T20:19:19.364Z","slug":"CVE-2026-8706","body":"## Overview\n\nFirefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. This vulnerability was fixed in Firefox for iOS 151.0.\n\n## Affected\n\n- `firefox < 151.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `firefox 151.0`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}