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Medium5.0Fortinet

Medium [CVE-2026-59839] Path traversal in CLI command allows deletion of root file system

This medium-severity Fortinet advisory covers CVE-2026-59839 affecting FortiOS, FortiProxy.

FG-IR-26-151 Published Jul 14, 2026Updated by vendor Jul 14, 2026
CVE-2026-59839
Affected products & platforms
FortinetFortiGateFirewallFortiOSFortiProxyFortiSwitch
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Summary

CVSSv3 Score:

5.0

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability [CWE-22] in FortiOS, FortiPAM, FortiProxy and FortiSwitch Manager may allow a privileged authenticated attacker with physical access to the device to delete the file system via crafted CLI commands.

Revised on 2026-07-14 00:00:00

Affected versions
  • FortiOS 7.6: 7.6.0 through 7.6.6
  • FortiOS 7.4: 7.4.0 through 7.4.9
  • FortiOS 7.2: 7.2 all versions
  • FortiOS 7.0: 7.0 all versions
  • FortiOS 6.4: 6.4 all versions
  • FortiPAM 1.8: 1.8.0
  • FortiPAM 1.7: 1.7.0 through 1.7.2
  • FortiPAM 1.6: 1.6 all versions
  • FortiPAM 1.5: 1.5 all versions
  • FortiPAM 1.4: 1.4 all versions
  • FortiPAM 1.3: 1.3 all versions
  • FortiPAM 1.2: 1.2 all versions
  • FortiPAM 1.1: 1.1 all versions
  • FortiPAM 1.0: 1.0 all versions
  • FortiProxy 7.6: 7.6.0 through 7.6.5
  • FortiProxy 7.4: 7.4 through 7.4.13
  • FortiProxy 7.2: 7.2 all versions
  • FortiProxy 7.0: 7.0 all versions

Official advisory · high-confidence parse· fetched 9 days ago·verify at source

Fixed versions
  • FortiOS 7.6: 7.6.7
  • FortiOS 7.4: 7.4.10
  • FortiOS 7.2: migrate to a fixed release
  • FortiOS 7.0: migrate to a fixed release
  • FortiOS 6.4: migrate to a fixed release
  • FortiPAM 1.8: 1.8.1
  • FortiPAM 1.7: 1.7.3
  • FortiPAM 1.6: migrate to a fixed release
  • FortiPAM 1.5: migrate to a fixed release
  • FortiPAM 1.4: migrate to a fixed release
  • FortiPAM 1.3: migrate to a fixed release
  • FortiPAM 1.2: migrate to a fixed release
  • FortiPAM 1.1: migrate to a fixed release
  • FortiPAM 1.0: migrate to a fixed release
  • FortiProxy 7.6: 7.6.6
  • FortiProxy 7.4: 7.4.14
  • FortiProxy 7.2: migrate to a fixed release
  • FortiProxy 7.0: migrate to a fixed release

Official advisory · high-confidence parse· fetched 9 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade per the Affected/Solution table: FortiOS 7.6: 7.6.7; FortiOS 7.4: 7.4.10; FortiOS 7.2: migrate to a fixed release; FortiOS 7.0: migrate to a fixed release; FortiOS 6.4: migrate to a fixed release; ….

Official advisory · high-confidence parse· fetched 9 days ago·verify at source

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