CVE-2026-100389 — GestSup before 3.2.62 Remote Code Execution via IMAP Attachment
GestSup versions before 3.2.62 contain a remote code execution vulnerability in the basic IMAP connector's attachment handling that fails to skip blocked file extensions. Unauth…
Published: 2026-09-25 · CVSS: 9.2 · CVSS 4.0
GestSup versions before 3.2.62 contain a remote code execution vulnerability in the basic IMAP connector's attachment handling that fails to skip blocked file extensions. Unauthenticated attackers can send emails with PHP attachments to monitored mailboxes, which are written to the web-accessible upload/ticket directory and executed when accessed.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7