Skip to content
CVE PROGRAM SOURCE RECORD9.2 Critical

CVE-2026-100389

GestSup before 3.2.62 Remote Code Execution via IMAP Attachment

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

GestSup GestSup

Default version status: unaffected

  • 0 to < 3.2.62affected

References