Vulnerability Details CVE-2026-59840
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>
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 7.3%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-59840
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cpe:2.3:a:fortinet:fortiproxy:7.2.0
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cpe:2.3:a:fortinet:fortiproxy:7.2.1
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cpe:2.3:a:fortinet:fortiproxy:7.2.10
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cpe:2.3:a:fortinet:fortiproxy:7.2.11
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cpe:2.3:a:fortinet:fortiproxy:7.2.12
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cpe:2.3:a:fortinet:fortiproxy:7.2.13
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cpe:2.3:a:fortinet:fortiproxy:7.2.14
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cpe:2.3:a:fortinet:fortiproxy:7.2.15
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cpe:2.3:a:fortinet:fortiproxy:7.2.2
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cpe:2.3:a:fortinet:fortiproxy:7.2.3
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cpe:2.3:a:fortinet:fortiproxy:7.2.4
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cpe:2.3:a:fortinet:fortiproxy:7.2.5
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cpe:2.3:a:fortinet:fortiproxy:7.2.6
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cpe:2.3:a:fortinet:fortiproxy:7.2.7
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cpe:2.3:a:fortinet:fortiproxy:7.2.8
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cpe:2.3:a:fortinet:fortiproxy:7.2.9
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cpe:2.3:a:fortinet:fortiproxy:7.4.0
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cpe:2.3:a:fortinet:fortiproxy:7.4.1
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cpe:2.3:a:fortinet:fortiproxy:7.4.10
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cpe:2.3:a:fortinet:fortiproxy:7.4.11
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cpe:2.3:a:fortinet:fortiproxy:7.4.12
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cpe:2.3:a:fortinet:fortiproxy:7.4.2
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cpe:2.3:a:fortinet:fortiproxy:7.4.3
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cpe:2.3:a:fortinet:fortiproxy:7.4.4
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cpe:2.3:a:fortinet:fortiproxy:7.4.5
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cpe:2.3:a:fortinet:fortiproxy:7.4.6
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cpe:2.3:a:fortinet:fortiproxy:7.4.7
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cpe:2.3:a:fortinet:fortiproxy:7.4.8
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cpe:2.3:a:fortinet:fortiproxy:7.4.9
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cpe:2.3:a:fortinet:fortiproxy:7.6.0
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cpe:2.3:a:fortinet:fortiproxy:7.6.1
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cpe:2.3:a:fortinet:fortiproxy:7.6.2
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cpe:2.3:a:fortinet:fortiproxy:7.6.3
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cpe:2.3:a:fortinet:fortiproxy:7.6.4
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cpe:2.3:a:fortinet:fortiproxy:7.6.5
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cpe:2.3:o:fortinet:fortios:7.2.0
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cpe:2.3:o:fortinet:fortios:7.2.1
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cpe:2.3:o:fortinet:fortios:7.2.10
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cpe:2.3:o:fortinet:fortios:7.2.11
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cpe:2.3:o:fortinet:fortios:7.2.12
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cpe:2.3:o:fortinet:fortios:7.2.13
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cpe:2.3:o:fortinet:fortios:7.2.2
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cpe:2.3:o:fortinet:fortios:7.2.3
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cpe:2.3:o:fortinet:fortios:7.2.4
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cpe:2.3:o:fortinet:fortios:7.2.5
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cpe:2.3:o:fortinet:fortios:7.2.6
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cpe:2.3:o:fortinet:fortios:7.2.7
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cpe:2.3:o:fortinet:fortios:7.2.8
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cpe:2.3:o:fortinet:fortios:7.2.9
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cpe:2.3:o:fortinet:fortios:7.4.0
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cpe:2.3:o:fortinet:fortios:7.4.1
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cpe:2.3:o:fortinet:fortios:7.4.2
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cpe:2.3:o:fortinet:fortios:7.4.3
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cpe:2.3:o:fortinet:fortios:7.4.4
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cpe:2.3:o:fortinet:fortios:7.4.5
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cpe:2.3:o:fortinet:fortios:7.4.6
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cpe:2.3:o:fortinet:fortios:7.4.7
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cpe:2.3:o:fortinet:fortios:7.4.8