CVE-2016-4427

HIGH 7.5CVE-2016-4427 · Published 28/07/2022 · updated 17/06/2026

In short

CVE-2016-4427 is a HIGH (CVSS 7.5) vulnerability affecting zulip (zulip).
Chance of exploitation in the next 30 days (EPSS): 0.77%, higher than 55.5% of all vulnerabilities.
Fix: update to 1.3.12 or later.

Package	Affected versions	Patched versions
zulip zulip	`< 1.3.12`	`1.3.12`

In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.

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