Faveo Helpdesk up to 2.0.3 Logo SettingsController.php unlink data1 path traversal

Summaryinfo

A vulnerability marked as critical has been reported in Faveo Helpdesk up to 2.0.3. Affected by this vulnerability is the function unlink of the file app/Http/Controllers/Admin/helpdesk/SettingsController.php of the component Logo Handler. Performing a manipulation of the argument data1 results in path traversal. This vulnerability was named CVE-2026-78435. The attack may be initiated remotely. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as problematic has been found in Faveo Helpdesk up to 2.0.3. This affects the function unlink of the file app/Http/Controllers/Admin/helpdesk/SettingsController.php of the component Logo Handler. The manipulation of the argument data1 with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-78435. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are necessary for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. By approaching the search of inurl:app/Http/Controllers/Admin/helpdesk/SettingsController.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Faveo

Name

• Helpdesk

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Submitinfo

Accepted

• Submit #886395: faveosuite faveo-helpdesk Commit: 6568aa4 External Control of System or Configuration Setting (by geochen)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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