If You Use Webmail, the ‘webmails’ Telegram Leak Should Worry You

HEROIC analysts found this file on Telegram on April 18, 2026. A Telegram user uploaded a combolist named webmails containing 2,816 records of email addresses and plaintext passwords tied to webmail login URLs. Why This Is Dangerous: If you access your email through a webmail login, and your address is in this file, an attacker has a ready-to-use password for reading your messages, requesting password resets on other accounts, and searching your inbox for sensitive information. What Was Exposed: - Email addresses - Plaintext passwords - Webmail login URLs Why This Matters: Email is usually the first account attackers target, since so many other services rely on it to reset forgotten passwords. If you use webmail and reused this password anywhere else, you're at risk of credential stuffing, account takeover, and identity theft that can spread far beyond your inbox. How a Webmail Combolist Like This Works: Files like this one are usually built by testing stolen email and password combinations directly against common webmail login pages, keeping only the pairs that successfully log in. That verification step is what makes hit lists like this one more immediately dangerous than an unverified batch of stolen credentials. Check If You Are Affected: HEROIC's free breach scanner checks your email against more than 400 billion breached and leaked records. Run a free scan to see if your webmail login has been exposed, and update your password if it has.