Privilege escalation in Altium Enterprise Server

CVE-2026-11423

A path traversal vulnerability exists in the Altium Enterprise Server Collaboration Service due to improper handling of user-supplied filenames in the MCAD and Simulation file download flows. A regular authenticated user can submit a colla…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.003 (24.3th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References