Fortinet FortiClientLinux up to 7.2.12/7.4.4 symlink

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Fortinet FortiClientLinux up to 7.2.12/7.4.4 and classified as critical. This affects an unknown function. Executing a manipulation can lead to symlink. This vulnerability is handled as CVE-2026-24018. It is possible to launch the attack on the local host. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Fortinet FortiClientLinux up to 7.2.12/7.4.4. It has been declared as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A UNIX symbolic link (Symlink) following vulnerability in Fortinet FortiClientLinux 7.4.0 through 7.4.4, FortiClientLinux 7.2.2 through 7.2.12 may allow a local and unprivileged user to escalate their privileges to root.

The advisory is shared for download at fortiguard.fortinet.com. This vulnerability was named CVE-2026-24018 since 01/20/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (fortinet): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/20/2026 CVE reserved
03/10/2026 +49 days Advisory disclosed
03/10/2026 +0 days VulDB entry created
03/13/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: fortinet.com

Advisory: FG-IR-26-083
Status: Confirmed

CVE: CVE-2026-24018 (🔒)
GCVE (CVE): GCVE-0-2026-24018
GCVE (VulDB): GCVE-100-350116

Entryinfo

Created: 03/10/2026 19:59
Updated: 03/13/2026 05:19
Changes: 03/10/2026 19:59 (63), 03/13/2026 05:19 (1)
Complete: 🔍
Cache ID: 216::103

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