CVE-2026-59837CWE-121

CVE-2026-59837

Medium · published July 14, 2026

CVSS v3.1
6.6
EPSS
1%
Percentile
51.4
In the wild
Unconfirmed
What it is

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

The record
Technical detail
CVSS v3.1
6.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00670 · 51.4th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-07-14T20:17Z
Affected products (3)
ProductVersionsFixed in
fortinet/fortiproxy≥ 7.2.0, < 7.4.147.4.14
fortinet/fortios≥ 7.2.0, < 7.4.27.4.2
fortinet/fortipam≥ 1.0.0, < 1.8.31.8.3
References (2)
https://fortiguard.fortinet.com/psirt/FG-IR-26-148 · [email protected]https://cert-portal.siemens.com/productcert/html/ssa-864900.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 14 JUL 15:06Z
    A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all…
    cvelistv5