Vulnerability Description
A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.8.0, FortiPAM 1.7.0 through 1.7.2, 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 7.6.0 through 7.6.5, FortiProxy 7.4 through 7.4.13, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiproxy | >= 7.0.0, < 7.4.14 |
| Fortinet | Fortios | >= 6.4.0, < 7.4.10 |
| Fortinet | Fortipam | >= 1.0.0, < 1.7.3 |
Related Weaknesses (CWE)
References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-151Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-127084.html
FAQ
What is CVE-2026-59839?
CVE-2026-59839 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7...
How severe is CVE-2026-59839?
CVE-2026-59839 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-59839?
Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortiproxy, Fortinet Fortios, Fortinet Fortipam.