CVSS 3.0
6.5 mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NCVE-2017-0896
Zulip Server 1.5.1 and below suffer from an error in the implementation of the invite_by_admins_only setting in the Zulip group chat application server that allowed an authenticated user to invite other users to join a Zulip organization even if the organization was configured to prevent this.
Severity
- EPSS
- 1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-862, CWE-285
- Published
- Modified
- Record from
- the NVD, synced
Affected
- zulip:zulip_server
References
- https://github.com/zulip/zulip/commit/1f48fa27672170bba3b9a97384905bb04c18761b
- https://groups.google.com/forum/#%21msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ
- https://hackerone.com/reports/224210
- https://github.com/zulip/zulip/commit/1f48fa27672170bba3b9a97384905bb04c18761b
- https://groups.google.com/forum/#%21msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ