{"id":"CVE-2016-4427","aliases":["EUVD-2016-5426","GHSA-58ww-8hxm-f99f"],"status":"published","title":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","description":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00767,"percentile":0.55768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2022-07-28T16:32:08Z","modified":"2026-10-24T10:30:54Z","products":[{"vendor":"zulip","product":"zulip"}],"references":[{"url":"https://zulip.readthedocs.io/en/2.1.7/overview/changelog.html#id35","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4427"},{"url":"https://github.com/advisories/GHSA-58ww-8hxm-f99f"}],"sources":{"cve":[{"id":"CVE-2016-4427","description":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","status":"published","published":"2022-07-28T16:32:08Z","modified":"2024-08-06T00:32:25.441Z","cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2016-5426","description":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","status":"published","published":"2022-07-28T16:32:08Z","modified":"2024-08-06T00:32:25Z","updated_at":"2026-11-03T02:22:46.329763Z"}],"ghsa":[{"id":"GHSA-58ww-8hxm-f99f","title":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","description":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","status":"published","published":"2022-07-29T00:00:23Z","modified":"2023-01-27T05:06:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T14:42:57.782632Z"}],"nvd":[{"id":"CVE-2016-4427","description":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","status":"published","published":"2022-07-28T17:15:08.18Z","modified":"2026-06-17T00:47:32.13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:40.524348Z"}],"osv":[{"id":"CVE-2016-4427","description":"In zulip before 1.3.12, deactivated users could access messages if SSO was enabled.","status":"published","published":"2022-07-28T17:15:08.18Z","modified":"2026-10-24T10:30:54.564043145Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:02.454775Z"}]}}