CVE-2026-47086

A flaw was found in cyrus-imapd. An authenticated user could exploit this vulnerability by minting a URLAUTH token through the GENURLAUTH command. This allows bypassing Access Control Lists ACLs, which are rules that control access to mailboxes. Consequently, an attacker could read mail from any...

Cyrus IMAP Arbitrary Code Execution Vulnerability

Cyrus IMAP is a Unix and Linux-based operating system for supporting IMAP Interactive Mail Access Protocol protocol open source mail server . A security vulnerability exists in the CalDAV feature of httpd in Cyrus IMAP versions 2.5.x through 2.5.12 and 3.0.x through 3.0.9. A remote attacker could...