Zulip: >> Zulip Server >> 2.1.7 Security Vulnerabilities
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.
CVSS Score
4.3
EPSS Score
0.001
Published
2021-04-15
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.
CVSS Score
5.3
EPSS Score
0.002
Published
2021-04-15
Page 2