CVE-2025-55018

medium Fortinet
CVSS v3 Base Score
5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:P/RL:O/RC:C
EPSS Score
0.1%
Exploitation probability in 30 days
Top 77% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Published: February 10, 2026 (92 days ago)
Last Modified: May 12, 2026
Vendor: Fortinet
Source: MITRE

Description

An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header

CWE

CWE-444

Affected Products

Fortinet FortiOS

References

🔗 fortiguard.fortinet.com