Stack-based buffer overflow in Fortinet, Inc products - CVE-2026-59837
Published: July 14, 2026
Vulnerability identifier: #VU137525
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-59837
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiPAM
FortiProxy
FortiOS
FortiPAM
FortiProxy
FortiOS
Detailed vulnerability description
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to stack-based buffer overflow in Log Report. A privileged authenticated attacker who can bypass stack protection and aslr can execute arbitrary code or commands via crafted HTTP requests.
How to mitigate CVE-2026-59837
Install update from vendor's website.