Server-Side Request Forgery Vulnerability in Studio-Saelix Sencho
CVE-2026-108521

5.1MEDIUM

Key Information:

Vendor

Studio-saelix

Status
Sencho
Vendor
CVE Published:
11 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-108521?

A vulnerability exists in the Add Remote Node API Endpoint within Studio-Saelix Sencho versions up to 0.97.1. This weakness can be exploited through the isValidRemoteUrl function in the backend's validation utilities. By manipulating the API URL, an authenticated user with node-management permissions can initiate server-side requests, potentially leading to unauthorized actions on behalf of the server. Although the potential for arbitrary internal response exfiltration has not been proven, the disclosed exploit poses risk for end-users and necessitates immediate attention.

Affected Version(s)

Sencho 0.97.0

Sencho 0.97.1

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-2026-108521 - Proof of Concept

References

https://vuldb.com/vuln/416187
vdb-entrytechnical-description
https://vuldb.com/vuln/416187/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108521
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
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

jpazz (VulDB User)
VulDB CNA Team
.