CVE-2017-14143: Kaltura Server

Critical severity, CVSS 9.8. EPSS: 77.4% chance of exploitation in the next 30 days.

The getUserzoneCookie function in Kaltura before 13.2.0 uses a hardcoded cookie secret to validate cookie signatures, which allows remote attackers to bypass an intended protection mechanism and consequently conduct PHP object injection attacks and execute arbitrary PHP code via a crafted userzone cookie.

Affected products

• Kaltura Kaltura Server: up to and including mercury-13.1.0

Published 2017-09-19. Last modified 2026-06-17.