Numeric truncation error
FG-IR-26-268
Summary
CVSSv3 Score:
7.7
An improper certificate validation vulnerability [CWE-295] in FortiOS SSLVPN may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the SSLVPN web portal and the backend destination website.
Revised on 2026-11-12 00:00:00
Products covered
FortiOS
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 1
Updates
- Published by Fortinet
The publication date reported by the vendor.
- Updated by Fortinet
The vendor changed the advisory after it was first published.
- Added to SecurityAlert
We collected the advisory from the official source.