EUVD-2026-26665

An attachment spoofing issue in WhatsApp for Windows prior to v2.3000.1032164386.258709 could have allowed maliciously formatted documents with embedded NUL bytes in the filename to be shown in the application as one type of file but run as an executable when opened...

CVE-2026-23863

An attachment spoofing issue in WhatsApp for Windows prior to v2.3000.1032164386.258709 could have allowed maliciously formatted documents with embedded NUL bytes in the filename to be shown in the application as one type of file but run as an executable when opened. We have not seen evidence of...

PT-2026-36499

Name of the Vulnerable Software and Affected Versions WhatsApp for Windows versions prior to 2.3000.1032164386.258709 Description An attachment spoofing issue exists due to improper handling of hidden control characters in filenames. Specifically, the application fails to properly sanitize or...

EUVD-2025-9915

Malicious code in bioql PyPI...

CVE-2025-30401

A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MIME type but selected the file opening handler based on the attachment’s filename extension. A maliciously crafted mismatch could have caused the recipient to inadvertently execute arbitra...