Permissive Cross-Domain Policy in Zylon PrivateGPT Affected by Remote Exploit
CVE-2025-4515

5.3MEDIUM

Key Information:

Vendor

Zylon

Status
Privategpt
Vendor
CVE Published:
10 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4515?

A vulnerability in Zylon PrivateGPT versions up to 0.6.2 compromises security through a misconfiguration in the settings.yaml file. This flaw allows the manipulation of the 'allow_origins' argument, leading to a permissive cross-domain policy with untrusted domains. Attackers can exploit this vulnerability remotely, risking unregulated access to sensitive data. Despite early notification, the vendor did not respond, raising concerns about the lack of timely remediation.

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Affected Version(s)

PrivateGPT 0.6.0

PrivateGPT 0.6.1

PrivateGPT 0.6.2

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-2025-4515 - Proof of Concept

References

https://vuldb.com/?id.308235
vdb-entrytechnical-description
https://vuldb.com/?ctiid.308235
signaturepermissions-required
https://vuldb.com/?submit.564451
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
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

Jiacheng Gavin Zhong
Zhengyu Liu
Gavin Zhong (VulDB User)
Gavin Zhong (VulDB User)
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