Local File Permission Vulnerability in Mihomo Party on macOS
CVE-2025-9474

2LOW

Key Information:

Vendor

Mihomo

Status
Party
Vendor
CVE Published:
26 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9474?

A vulnerability was found in Mihomo Party versions up to 1.8.1 on macOS, specifically within the enableSysProxy function located in the src/main/sys/sysproxy.ts file of the Socket Handler component. This flaw allows for the creation of temporary files with insecure permissions, which can be exploited through a local attack vector. While the complexity of the attack is deemed high, the means to exploit this vulnerability are now publicly accessible, increasing the risk to users.

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Affected Version(s)

Party 1.8.0

Party 1.8.1

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-2025-9474 - Proof of Concept

References

https://vuldb.com/?id.321343
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321343
signaturepermissions-required
https://vuldb.com/?submit.634656
third-party-advisory

CVSS V4

Score:
2
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

SwayZGl1tZyyy (VulDB User)
SwayZGl1tZyyy (VulDB User)
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