CVE-2026-106175
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Double Free in Fortinet FortiOS and FortiProxy

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Fortinet, Inc.

Description
A Double Free vulnerability [CWE-415] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.7, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.6, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions, FortiSwitch 7.6.0 through 7.6.6, FortiSwitch 7.4 all versions, FortiSwitch 7.2 all versions may allow a local authenticated attacker to crash the newcli daemon via crafted CLI commands.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-19
AI Q&A
2026-10-13
EPSS Evaluated
2026-10-18
NVD
CVE-2026-106175
EUVD
EUVD-2026-98974

Affected Vendors & Products

Showing 21 associated CPEs
Vendor Product Version / Range
Fortinet FortiSwitch 7.6.0
Fortinet FortiSwitch 7.4.0
Fortinet FortiSwitch 7.2.0
Fortinet FortiSASE 25.4.c
Fortinet FortiPAM 1.8.0
Fortinet FortiPAM 1.7.0
Fortinet FortiPAM 1.6.0
Fortinet FortiPAM 1.5.0
Fortinet FortiPAM 1.4.0
Fortinet FortiPAM 1.3.0
Fortinet FortiPAM 1.2.0
Fortinet FortiPAM 1.1.0
Fortinet FortiPAM 1.0.0
Fortinet FortiOS 7.6.0
Fortinet FortiOS 7.4.0
Fortinet FortiOS 7.2.0
Fortinet FortiOS 7.0.0
Fortinet FortiProxy 7.6.0
Fortinet FortiProxy 7.4.0
Fortinet FortiProxy 7.2.0
Fortinet FortiProxy 7.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-415 The product calls free() twice on the same memory address.

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Executive Summary

This is a Double Free vulnerability (CWE-415) affecting multiple Fortinet products including FortiOS, FortiProxy, and FortiSwitch. It allows a local authenticated attacker to crash the newcli daemon by executing crafted CLI commands.

Detection Guidance

This vulnerability requires local authenticated access to exploit. Detection involves checking for crashes in the newcli daemon or unusual CLI command patterns. Monitor system logs for daemon crashes or unexpected terminations. No specific commands are provided in the available context.

Impact Analysis

The vulnerability could cause denial of service by crashing the newcli daemon, potentially disrupting device management and network operations. It requires local authenticated access, limiting the attack surface to insiders or compromised systems.

Compliance Impact

The vulnerability does not directly impact compliance with GDPR or HIPAA as it only causes a local denial of service by crashing the newcli daemon. No data exposure or integrity issues are mentioned.

Mitigation Strategies

Upgrade FortiOS, FortiProxy, and FortiSwitch to the latest patched versions to address the Double Free vulnerability. Avoid using untrusted CLI commands until the update is applied.

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