Information Disclosure in massCode Local HTTP Service by massCodeIO
CVE-2026-114574

5.3MEDIUM

Key Information:

Vendor

Masscodeio

Status
Masscode
Vendor
CVE Published:
21 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-114574?

A security vulnerability has been identified in massCode 5.10, specifically within the Local HTTP Service's functionality in the src/main/api/index.ts file. This issue allows remote attackers to manipulate the system, potentially leading to unauthorized access to sensitive information. The vulnerability has been publicly disclosed, and it is crucial for affected users to apply the patch (commit d25d8fa3f5a1e34285c8634f18729650c0c05cda) to safeguard their systems. Ignoring this vulnerability may expose the service to risks associated with data breaches.

Affected Version(s)

massCode 5.10

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-2026-114574 - Proof of Concept

References

https://vuldb.com/vuln/424941
vdb-entry
https://vuldb.com/vuln/424941/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-114574
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:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wilson888 (VulDB User)
.