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OpenAdvisories
Medium · 4.1 CVE-2026-59840 EUVD-2026-43719GHSA-r538-x648-7vg8

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.…

Published Jul 14, 2026 · Updated Oct 15, 2026 · Assigned by fortinet

Description

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to information disclosure via <insert attack vector here>

Affected products

VendorProductAffectedFixed
Fortinet FortiOS 7.6.0 – ≤ 7.6.3, 7.4.0 – ≤ 7.4.8, 7.2.0 – ≤ 7.2.13, 7.0.0 – ≤ 7.0.19, 6.4.0 – ≤ 6.4.16 —
Fortinet FortiPAM 1.7.0, 1.6.0 – ≤ 1.6.2, 1.5.0 – ≤ 1.5.1, 1.4.0 – ≤ 1.4.3, 1.3.0 – ≤ 1.3.1, 1.2.0, 1.1.0 – ≤ 1.1.2, 1.0.0 – ≤ 1.0.3 —
Fortinet FortiSwitchManager 7.2.0 – ≤ 7.2.7, 7.0.0 – ≤ 7.0.6 —
Fortinet FortiProxy 7.6.0 – ≤ 7.6.5, 7.4.0 – ≤ 7.4.13, 7.2.0 – ≤ 7.2.16, 7.0.0 – ≤ 7.0.23 —

Advisories 2

References