PT-2026-30211

Name of the Vulnerable Software and Affected Versions Zulip versions 1.4.0 through 11.5 Description An issue exists where attachments from web-public streams remain accessible anonymously even after spectator access is disabled via enable spectator access or WEB PUBLIC STREAMS ENABLED...

CVE-2026-25742: Missing Authorization

Zulip is an open-source team collaboration tool. Prior to version 11.6, Zulip is an open-source team collaboration tool. From version 1.4.0 to before version 11.6, even after spectator access enablespectatoraccess / WEBPUBLICSTREAMSENABLED is disabled, attachments originating from web-public...