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CVE-2025-55018

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CVE-2025-55018

Published: Feb 10, 2026

Modified: May 12, 2026

PUBLISHED

CVSS v3.1

5.2

MEDIUM

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

VendorProductVersions

Fortinet

FortiOS

affected
7.6.0
affected
7.4.0 - <= 7.4.9
affected
7.2.0 - <= 7.2.13
affected
7.0.0 - <= 7.0.19
affected
6.4.3 - <= 6.4.16

Weaknesses (CWE)

CWE-444

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

References

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