Missing Authentication in 666ghj MiroFish REST API Endpoint
CVE-2026-7042

6.9MEDIUM

Key Information:

Vendor

666ghj

Status
Mirofish
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7042?

A security flaw has been identified in 666ghj MiroFish versions up to 0.1.2, specifically in the create_app function within the backend/app/init.py file of its REST API Endpoint. This vulnerability allows unauthorized users to manipulate the API, potentially granting access to critical functions without proper authentication. The issue is exploitable remotely, making it imperative for users of the affected version to evaluate their exposure and apply necessary security measures. Despite early notification to the development team through an issue report, no corrective action has been documented.

Affected Version(s)

MiroFish 0.1.0

MiroFish 0.1.1

MiroFish 0.1.2

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-2026-7042 - Proof of Concept

References

https://vuldb.com/vuln/359621
vdb-entrytechnical-description
https://vuldb.com/vuln/359621/cti
signaturepermissions-required
https://vuldb.com/submit/798583
third-party-advisory

CVSS V4

Score:
6.9
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

Yu_Bao (VulDB User)
VulDB CNA Team
.