CVE-2026-78434

Received Received - Intake

Authentication Bypass in Faveo Helpdesk

Publication date: 2026-08-24

Last updated on: 2026-08-24

Assigner: VulDB

Description

A flaw has been found in Faveo Helpdesk up to 2.0.3. This impacts the function FormController::post_ticket_reply of the file app/Http/Controllers/Client/helpdesk/FormController.php of the component post-ticket-reply Endpoint. This manipulation causes missing authentication. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-24

Last Modified

2026-08-24

Generated

2026-08-25

AI Q&A

2026-08-25

EPSS Evaluated

N/A

NVD

CVE-2026-78434

Affected Vendors & Products

Vendor	Product	Version / Range
faveo_helpdesk	faveo_helpdesk	to 2.0.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-287	When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authentication flaw in Faveo Helpdesk versions up to 2.0.3. It affects the post-ticket-reply endpoint in the FormController.php file. An attacker can remotely exploit this to perform actions without proper authentication.

Impact Analysis

An attacker could exploit this to submit unauthorized ticket replies or manipulate helpdesk data. This may lead to data integrity issues, unauthorized access to sensitive information, or disruption of helpdesk operations.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality principles or HIPAA's safeguards for protected health information. Compliance may be compromised if sensitive data is exposed.

Mitigation Strategies

Immediately update Faveo Helpdesk to the latest version beyond 2.0.3 to address the missing authentication flaw in the post-ticket-reply endpoint. If an update is not available, consider disabling the affected endpoint or restricting access to trusted IPs until a patch is released.

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