CVE-2026-59837

Severity CVSS v4.0:

Pending analysis

Type:

CWE-121 Stack-based Buffer Overflow

Publication date:

14/07/2026

Last modified:

11/08/2026

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.60 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

6.60

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:fortinet:fortiproxy::::::::	7.2.0 (including)	7.4.14 (excluding)
cpe:2.3:o:fortinet:fortios::::::::	7.2.0 (including)	7.4.2 (excluding)
cpe:2.3:o:fortinet:fortipam::::::::	1.0.0 (including)	1.8.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-59837

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools