CVE-2026-8706

Severity CVSS v4.0:

Pending analysis

Type:

CWE-200 Information Leak / Disclosure

Publication date:

19/05/2026

Last modified:

20/05/2026

Description

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&#39;s cookies. This vulnerability was fixed in Firefox for iOS 151.0.

Impact

Vector 3.x

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None