Directory Traversal Vulnerability in GNU Mailman Bundled with cPanel
CVE-2025-43919
7.5HIGH
Key Information:
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👾 Exploit Exists🟡 Public PoC
What is CVE-2025-43919?
The vulnerability within GNU Mailman 2.1.39, as deployed in cPanel, permits unauthorized users to exploit a directory traversal flaw. By manipulating the username parameter at the private archive endpoint, attackers may access arbitrary files on the server, leading to potential exposure of sensitive information. This issue highlights the necessity for secure coding practices and timely updates to avoid unauthorized data access.
Affected Version(s)
Mailman 2.1.39
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.