medium5.3
CVE-2021-30479
An issue was discovered in Zulip Server before 3.4.
Impact
An issue was discovered in Zulip Server before 3.4. A bug in the implementation of the all_public_streams API feature resulted in guest users being able to receive message traffic to public streams that should have been only accessible to members of the organization.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zulip | Zulip Server | before 3.4 |