SB2026100663 - Security restrictions bypass in Mozilla Firefox
Published: October 6, 2026
Security Bulletin ID
SB2026100663
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Protection mechanism failure (CVE-ID: CVE-2026-106016)
CWE-ID: CWE-693 - Protection Mechanism Failure
CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient implementation of security measures in the file handling component. A remote attacker can bypass implemented security restrictions.
Remediation
Install update from vendor's website.