CVE-2025-27380: Altium On-Prem Enterprise Server

High severity, CVSS 7.6. EPSS: 0.3% chance of exploitation in the next 30 days.

HTML injection in Project Release in Altium Enterprise Server (AES) 7.0.3 on all platforms allows an authenticated attacker to execute arbitrary JavaScript in the victim’s browser via crafted HTML content.

Affected products

• Altium On-Prem Enterprise Server: from 7.0.3, before 7.0.6 (fixed in 7.0.6)

Published 2026-01-22. Last modified 2026-06-17.