CVE-2026-106016

CRITICAL CVSS 3.1: 9.8 EPSS 0.28%
Updated Oct 08, 2026
Firefox
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 157.0.1
Fixed In 157.0.1
Type CWE-693
Vendor Firefox
Public PoC No

Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 157.0.1.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Mozilla Firefox
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
— 157.0.1