Command Injection Vulnerability in MODSetter SurfSense MCP Connector Integration
CVE-2026-102243

5.3MEDIUM

Key Information:

Vendor

Modsetter

Status
Surfsense
Vendor
CVE Published:
29 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-102243?

A command injection vulnerability exists in the MCP Connector Integration of MODSetter SurfSense versions up to 2.0.3. This issue allows attackers to manipulate the handling of requests sent to the '/api/search-source/connectors/mcp/test' endpoint. With this exploit, it becomes possible for a remote attacker to execute arbitrary commands on the server, leading to potential data breaches or unauthorized access. It is important to note that the exploit for this vulnerability is publicly available, highlighting the urgency for users to implement mitigations. Despite early notification, the vendor has not issued a response regarding this security concern.

Affected Version(s)

SurfSense 2.0.0

SurfSense 2.0.1

SurfSense 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-2026-102243 - Proof of Concept

References

https://vuldb.com/vuln/411141
vdb-entry
https://vuldb.com/vuln/411141/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-102243
third-party-advisory

CVSS V4

Score:
5.3
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

Snkn0w (VulDB User)
VulDB CNA Team
.