EIP-2026-103950

PRE-CVE

JDownloader - 'JDExternInterface.java' Remote Code Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103950. PoCs published by apoc.

AI-analyzed exploit summary This exploit leverages a vulnerability in JDownloader's flash/addcrypted2 endpoint to execute arbitrary Java code via a crafted POST request or URL. The payload uses Java's Runtime.exec() to spawn a system command (e.g., /usr/bin/xclock), demonstrating remote code execution (RCE).

Description

JDownloader - 'JDExternInterface.java' Remote Code Execution

Exploits (1)

exploitdb WORKING POC VERIFIED
by apoc · textremotemultiple
https://www.exploit-db.com/exploits/33615

This exploit leverages a vulnerability in JDownloader's flash/addcrypted2 endpoint to execute arbitrary Java code via a crafted POST request or URL. The payload uses Java's Runtime.exec() to spawn a system command (e.g., /usr/bin/xclock), demonstrating remote code execution (RCE).

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: JDownloader versions prior to 0.9.334
No auth needed
Prerequisites: Network access to JDownloader's web interface (port 9666 by default) · Victim must interact with the malicious form or URL
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026