SB2026111198 - Authentication Bypass by Spoofing in FortiAnalyzer and FortiManager
Published: November 11, 2026
Security Bulletin ID
SB2026111198
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authentication Bypass by Spoofing (CVE-ID: CVE-2026-126184)
CWE-ID: CWE-290 - Authentication Bypass by Spoofing
CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote non-authenticated attacker to damange or delete data.
The vulnerability exists due to authentication bypass by spoofing. An attacker can disrupt the HA state.
Remediation
Install update from vendor's website.