| Package | Affected versions | Patched versions |
|---|---|---|
| zulip server | < 3.4 | 3.4 |
An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the can_forge_sender permission (previously is_api_super_user) resulted in users with this permission being able to send messages appearing as if sent by a system bot, including to other organizations hosted by the same Zulip installation.
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