SB2026031090 - Security restrictions bypass in FortiWeb
Published: March 10, 2026
Security Bulletin ID
SB2026031090
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 security vulnerability.
1) Authentication bypass by spoofing (CVE-ID: CVE-2025-48840)
The vulnerability allows a remote attacker to bypass hostname restrictions.
The vulnerability exists due to improper validation of user-supplied input. A remote attacker can perform spoofing attack and bypass hostname restrictions.
Remediation
Install update from vendor's website.