Adobe Patches Acrobat Chrome Extension Flaw That Exposed WhatsApp Web Chats to Any Website

Adobe has patched a series of vulnerabilities in its Acrobat Chrome extension that previously allowed any website to access conversations in WhatsApp Web without proper authentication, according to a report from cybersecurity firm Guardio shared with BleepingComputer. The vulnerabilities, collectively identified as CVE-2026-48294 and called HermeticReader, affect Adobe Acrobat Chrome extension versions 26.5.2.1 and earlier. Adobe addressed the issue in version 26.5.2.3, which is rolled out autom