CVE-2026-59839

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

Severity
Medium 5
CVSS 3.1
Adjacent, local or physical access what this means
Exploited
Not listed
EPSS
0.003
15.0th percentile
Discovered by
Third party
Vendor advisory field
Published
Jul 14, 2026
Assigned by fortinet

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>

Weakness: CWE-22

Affected products

Vendor Product Category Matched by
Fortinet FortiOS Check your version Firewall / NGFW cna-assigner
Fortinet FortiPAM Identity / IAM / MFA cna-assigner
Fortinet FortiProxy Check your version SASE / SSE / Secure Web cna-assigner
Vendor-reported products (4)
  • Fortinet · FortiProxy
  • Fortinet · FortiOS
  • Fortinet · FortiPAM
  • Siemens · RUGGEDCOM APE1808

Credit

External

Vendor remediation

Upgrade to FortiProxy version 7.6.6 or above Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.7 or above Upgrade to FortiOS version 7.4.10 or above Fortinet remediated this issue in FortiSASE version 26.1.1 and hence customers do not need to perform any action. Upgrade to FortiPAM version 1.9.0 or above Upgrade to FortiPAM version 1.8.1 or above Upgrade to FortiSwitchManager version 7.2.8 or above

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