Path Traversal Vulnerability in Faveo Helpdesk Logo Handler
CVE-2026-78435

5.1MEDIUM

Key Information:

Vendor

Faveo

Status
Helpdesk
Vendor
CVE Published:
24 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78435?

A path traversal vulnerability exists in the Faveo Helpdesk, affecting versions up to 2.0.3, specifically in the unlink function of the Logo Handler component. By manipulating the argument data1, attackers can exploit this vulnerability remotely, which poses a significant security risk. This issue was reported to the organization prior to its public disclosure, but no resolution has been provided as of now.

Affected Version(s)

Helpdesk 2.0.0

Helpdesk 2.0.1

Helpdesk 2.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-78435 - Proof of Concept

References

https://vuldb.com/vuln/394713
vdb-entrytechnical-description
https://vuldb.com/vuln/394713/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78435
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

geochen (VulDB User)
VulDB CNA Team
.