Authentication Bypass Vulnerability in Fortinet FortiWeb
CVE-2025-48840

5MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortiweb
Vendor
CVE Published:
10 March 2026

What is CVE-2025-48840?

A vulnerability exists in Fortinet's FortiWeb products that allows remote unauthenticated attackers to bypass hostname restrictions via specially crafted requests. This can lead to unauthorized access and increased risk of exploitation in network environments. Organizations utilizing affected FortiWeb versions should prioritize patching to mitigate potential threats.

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Affected Version(s)

FortiWeb 7.6.0 <= 7.6.3

FortiWeb 7.4.0 <= 7.4.8

FortiWeb 7.2.0 <= 7.2.12

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-097

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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