Medium severity4.3NVD Advisory· Published Apr 15, 2021· Updated Jun 17, 2026
CVE-2021-30478
CVE-2021-30478
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:zulip:zulip_server:*:*:*:*:*:*:*:*range: <3.4
- (no CPE)range: <3.4
- Zulip/Zulip Serverdescription
Patches
Vulnerability mechanics
References
1- blog.zulip.com/2021/04/14/zulip-server-3-4/nvdRelease NotesVendor Advisory
News mentions
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