CVE-2026-78434

MEDIUM 6.5

Faveo Helpdesk post-ticket-reply Endpoint FormController.php post_ticket_reply missing authentication

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306 CWE-287
Vendor	faveo
Product	helpdesk
Published	Aug 24, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Faveo / Helpdesk

2.0.0 2.0.1 2.0.2 2.0.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/394712 vuldb.com: https://vuldb.com/vuln/394712/cti vuldb.com: https://vuldb.com/cve/CVE-2026-78434 vuldb.com: https://vuldb.com/submit/886394 github.com: https://github.com/faveosuite/faveo-helpdesk/issues/8346

Credits

🔍 geochen (VulDB User) VulDB CNA Team