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Fortinet PSIRT AdvisoriesFG-IR-26-151

Path traversal in CLI command allows deletion of root file system

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

Read the vendor bulletin Get alerts for FortiOS
5.0CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • FortiOS
  • FortiPAM
  • FortiProxy
  • FortiSwitch
Timeline

When this advisory changed

  1. Published by Fortinet

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

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UI DoS attack

FG-IR-26-162