{"id":"CVE-2017-0896","aliases":["EUVD-2017-1249","GHSA-98x3-p3h4-w982"],"status":"published","title":"Zulip Server 1.5.1 and below suffer from an error in the implementation of the...","description":"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":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01278,"percentile":0.70154,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285","CWE-862"],"published":"2017-06-02T17:00:00Z","modified":"2026-10-20T10:47:32Z","products":[{"vendor":"zulip","product":"zulip server"},{"vendor":"zulip","product":"zulip_server"}],"references":[{"url":"https://groups.google.com/forum/#%21msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://hackerone.com/reports/224210","tags":["x_refsource_MISC","x_transferred","Permissions Required","report"]},{"url":"https://github.com/zulip/zulip/commit/1f48fa27672170bba3b9a97384905bb04c18761b","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0896"},{"url":"https://groups.google.com/forum/#!msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ"},{"url":"https://github.com/advisories/GHSA-98x3-p3h4-w982"}],"sources":{"cve":[{"id":"CVE-2017-0896","description":"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.","status":"published","published":"2017-06-02T17:00:00Z","modified":"2024-08-05T13:25:16.624Z","cwes":["CWE-285"],"updated_at":"2026-11-02T14:33:22.381225Z"}],"euvd":[{"id":"EUVD-2017-1249","description":"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.","status":"published","published":"2017-06-02T17:00:00Z","modified":"2024-08-05T13:25:16Z","updated_at":"2026-11-03T02:39:22.969866Z"}],"ghsa":[{"id":"GHSA-98x3-p3h4-w982","title":"Zulip Server 1.5.1 and below suffer from an error in the implementation of the...","description":"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.","status":"published","published":"2022-05-13T01:40:53Z","modified":"2025-04-20T03:39:27Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-285","CWE-862"],"updated_at":"2026-11-02T15:01:47.375435Z"}],"nvd":[{"id":"CVE-2017-0896","description":"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.","status":"published","published":"2017-06-02T17:29:00.167Z","modified":"2026-06-17T00:58:28.93Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-285","CWE-862"],"updated_at":"2026-11-02T14:03:49.449157Z"}],"osv":[{"id":"CVE-2017-0896","description":"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.","status":"published","published":"2017-06-02T17:29:00.167Z","modified":"2026-10-20T10:47:32.395106598Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:03.472693Z"}]}}