Path Traversal Vulnerability in CicadasCMS by Westboy
CVE-2026-108791

5.3MEDIUM

Key Information:

Vendor

Westboy

Status
Cicadascms
Vendor
CVE Published:
12 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108791?

A path traversal vulnerability has been discovered in the Template Management component of CicadasCMS, specifically in the function TemplateController.input. This flaw allows an attacker to manipulate the filePath argument, leading to unauthorized access to directories and files outside the intended file system scope. The vulnerability can be exploited remotely, posing significant security risks. Despite early notification, no response was received from the vendor, which raises concerns regarding the adequacy of their security practices.

Affected Version(s)

CicadasCMS 2431154dac8d0735e04f1fd2a3c3556668fc8dab

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-2026-108791 - Proof of Concept

References

https://vuldb.com/vuln/416570
vdb-entrytechnical-description
https://vuldb.com/vuln/416570/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108791
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
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

wenyouwen (VulDB User)
VulDB CNA Team
.