CVE-2024-26015: Fortinet FortiOS

Medium severity, CVSS 4.7. EPSS: 0.5% chance of exploitation in the next 30 days.

An incorrect parsing of numbers with different radices vulnerability [CWE-1389] in FortiProxy version 7.4.3 and below, version 7.2.10 and below, version 7.0.17 and below and FortiOS version 7.4.3 and below, version 7.2.8 and below, version 7.0.15 and below IP address validation feature may permit an unauthenticated attacker to bypass the IP blocklist via crafted requests.

Affected products

• Fortinet FortiOS: from 7.0.0, up to and including 7.0.15; from 7.2.0, up to and including 7.2.8; from 7.4.0, up to and including 7.4.3
• Fortinet FortiProxy: from 7.0.0, up to and including 7.4.3

Published 2024-07-09. Last modified 2026-06-17.