What’s Vulnerable › Vulnerabilities
CVE-2025-48840
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-10 · updated 2026-06-17
- Weakness: CWE-290
Description
An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.
Affected products
- Fortinet FortiWeb: from 7.0.0 before 7.4.9; from 7.6.0 before 7.6.4 — fixed in 7.4.9, 7.6.4
How to fix
Upgrade to a fixed version: Fortinet FortiWeb 7.4.9, 7.6.4. Check the vendor advisory for mitigations.
References
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