CVE-2026-24989: Fantasticplugins Sumo Affiliates Pro

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in FantasticPlugins SUMO Affiliates Pro affs allows Object Injection.This issue affects SUMO Affiliates Pro: from n/a through < 11.4.0.

Affected products

• Fantasticplugins Sumo Affiliates Pro: up to and including 11.4.0

Published 2026-03-25. Last modified 2026-06-17.