WhatsApp Web chats exposed by Adobe’s Acrobat extension flaw

HermeticReader is the name given to a recently disclosed vulnerability in the Adobe Acrobat PDF extension for Chrome, tracked as CVE-2026-48294. Researchers discovered the issue in early June 2026 and reported it to Adobe, which patched the flaw over a single weekend. They found that a single vis...

CVE-2026-48294

Adobe Acrobat PDF Extension Chrome versions 26.5.2.2 and earlier are affected by a UXSS-class cross-origin data disclosure vulnerability. An attacker could exploit this vulnerability to gain access to data regarding the victim's session. Exploitation of this issue requires user interaction in tha...