🔐 CVE Alert

CVE-2026-59840

MEDIUM 4.1
CVSS Score
4.1
EPSS Score
0.0%
EPSS Percentile
0th

A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.2, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.5, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

CWE CWE-126
Vendor fortinet
Product fortios
Ecosystems
Industries
NetworkingSecurity
Published Jul 14, 2026
Last Updated Jul 14, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Affected Versions

Fortinet / FortiOS
7.6.0 ≤ 7.6.2 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

References

NVD ↗ CVE.org ↗ EPSS Data ↗
fortiguard.fortinet.com: https://fortiguard.fortinet.com/psirt/FG-IR-26-154