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Medium severity4.3NVD Advisory· Published Jul 14, 2026· Updated Aug 11, 2026

CVE-2026-59840

CVE-2026-59840

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

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Affected products

4
  • Fortinet/Fortiproxy2 versions
    cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*range: >=7.2.0,<7.4.14
    • (no CPE)range: 7.6.0-7.6.5, 7.4.0-7.4.13, 7.2.x, 7.0.x
  • Fortinet/Fortios2 versions
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*range: >=7.2.0,<7.4.9
    • (no CPE)range: 7.6.0-7.6.3, 7.4.0-7.4.8, 7.2.x, 7.0.x, 6.4.x

Patches

Vulnerability mechanics

References

2

News mentions

0

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