EIP-2026-103765

PRE-CVE

Browsers Browsers - Navigation Download Trick

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103765. PoCs published by Michal Zalewski.

AI-analyzed exploit summary This PoC demonstrates a browser UI vulnerability where a malicious page can force arbitrary downloads in non-same-origin windows by navigating them to URLs with Content-Disposition: attachment headers. It exploits the browser's handling of window navigation and download prompts.

Description

Browsers Browsers - Navigation Download Trick

Exploits (1)

exploitdb WORKING POC VERIFIED
by Michal Zalewski · textlocalmultiple
https://www.exploit-db.com/exploits/18959

This PoC demonstrates a browser UI vulnerability where a malicious page can force arbitrary downloads in non-same-origin windows by navigating them to URLs with Content-Disposition: attachment headers. It exploits the browser's handling of window navigation and download prompts.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Web browsers (tested on MSIE, but likely affects others)
No auth needed
Prerequisites: User interaction (clicking a button) · Browser with vulnerable window navigation handling
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026