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CVE-2026-59840

MEDIUM
4.1
CVSS 3.1
Description
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>

Metadata

CVE ID
CVE-2026-59840
State
PUBLISHED
Assigner
fortinet
Reserved
2026-07-07 15:21 UTC
Published
2026-07-14 15:19 UTC
Last updated
2026-07-14 16:02 UTC
Primary CWE
CWE-126
Information disclosure
Vendor / Product
Fortinet / FortiOS
Sources
cve.org  ·  NVD

Severity & Metrics

4.1 MEDIUM CVSS 3.1
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
SSVC — CISA Coordinator
Exploitation
none
Automatable
no
Tech. Impact
partial
Affected products (4)
VendorProductPlatformVersions
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 …
Fortinet FortiPAM — 1.7.0, 1.6.0 ≤ 1.6.2, 1.5.0 ≤ 1.5.1, 1.4.0 ≤ 1.4.3 …
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
Fortinet FortiSwitchManager — 7.2.0 ≤ 7.2.7, 7.0.0 ≤ 7.0.6
Weakness (CWE)
CWESourceDescription
CWE-126 cna Information disclosure
CVSS scores (1)
ScoreSeverityVersionSourceVector
4.1 MEDIUM 3.1 cna 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
References (1)
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