CVE-2020-14194: Zulip Server

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

Zulip Server before 2.1.5 allows reverse tabnapping via a topic header link.

Affected products

• Zulip Zulip Server: before 2.1.5 (fixed in 2.1.5)

Published 2020-08-21. Last modified 2026-06-17.