CVE-2026-8706
mediumpriority · track · 0OT risk · elevatedEPSS 0.002 · 9 %ileDEEUUSEPSS · scored 2026-10-27
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 was fixed in Firefox for iOS 151.0.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1606Mozilla Firefox und Thunderbird: Mehrere SchwachstellenDeutsch2026-05-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um beliebigen Code auszuführen, um Informationen offenzulegen, Sicherheitsbeschränkungen zu umgehen (z. B. Sandbox-Escape), den Benutzer zu täuschen, Berechtigungen zu eskalieren oder einen Denial-of-Service-Zustand herbeizuführen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2026-8706cnnvd
- https://www.mozilla.org/security/advisories/mfsa2026-49/Patchcnnvd
- https://bugzilla.mozilla.org/show_bug.cgi?id=2036618enisa_euvd
- https://www.mozilla.org/security/advisories/mfsa2026-49/enisa_euvd
- https://bugzilla.mozilla.org/show_bug.cgi?id=2036618Permissions Requirednvd
- https://www.mozilla.org/security/advisories/mfsa2026-49/Vendor Advisorynvd
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