Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiproxy | >= 7.2.0, < 7.4.14 |
| Fortinet | Fortios | >= 7.2.0, < 7.4.2 |
| Fortinet | Fortipam | >= 1.0.0, < 1.8.3 |
Related Weaknesses (CWE)
References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-148Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-864900.html
FAQ
What is CVE-2026-59837?
CVE-2026-59837 is a vulnerability with a CVSS score of 6.6 (MEDIUM). 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, Forti...
How severe is CVE-2026-59837?
CVE-2026-59837 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59837?
Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortiproxy, Fortinet Fortios, Fortinet Fortipam.