Overview
The CVE-2025-39449 pertains to a missing authorization vulnerability in Crocoblock JetWooBuilder. This vulnerability could potentially lead to system compromise or data leakage, affecting versions up to and including 2.1.18 of JetWooBuilder. It’s a serious security flaw that requires immediate attention due to its ability to bypass Access Control Lists (ACLs).
Vulnerability Summary
CVE ID: CVE-2025-39449
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage
Affected Products
A new way to communicate
Ameeba Chat is built on encrypted identity, not personal profiles.
Message, call, share files, and coordinate with identities kept separate.
- • Encrypted identity
- • Ameeba Chat authenticates access
- • Aliases and categories
- • End-to-end encrypted chat, calls, and files
- • Secure notes for sensitive information
Private communication, rethought.
Product | Affected Versions
Crocoblock JetWooBuilder | Up to and including 2.1.18
How the Exploit Works
The exploit takes advantage of the missing authorization checks in JetWooBuilder. This oversight allows malicious actors to access certain functionalities that should have been constrained by ACLs. With this unauthorized access, the attacker could potentially compromise the system or cause data leakage.
Conceptual Example Code
The following is a conceptual example of how the vulnerability might be exploited. This could be done via a HTTP request, which might look something like this:
POST /jetwoobuilder/vulnerable_endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "malicious_payload": "payload_that_exploits_missing_authorization" }Mitigation Guidance
The primary mitigation for this vulnerability is to apply the vendor patch. For temporary mitigation, users can use Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS).