{"id":"CVE-2019-15620","aliases":["EUVD-2019-6577","GHSA-hfx4-g7m9-jj99"],"status":"published","title":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private...","description":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00766,"percentile":0.55749,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2020-02-04T19:08:57Z","modified":"2026-10-24T14:20:26Z","products":[{"vendor":"nextcloud","product":"talk"}],"references":[{"url":"https://hackerone.com/reports/662218","tags":["x_refsource_MISC","x_transferred","Permissions Required","report"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-011","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-15620"},{"url":"https://github.com/advisories/GHSA-hfx4-g7m9-jj99"}],"sources":{"cve":[{"id":"CVE-2019-15620","description":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.","status":"published","published":"2020-02-04T19:08:57Z","modified":"2024-08-05T00:56:22.101Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:20:21.397307Z"}],"euvd":[{"id":"EUVD-2019-6577","description":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.","status":"published","published":"2020-02-04T19:08:57Z","modified":"2024-08-05T00:56:22Z","updated_at":"2026-11-03T02:40:35.132035Z"}],"ghsa":[{"id":"GHSA-hfx4-g7m9-jj99","title":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private...","description":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.","status":"published","published":"2022-05-24T17:07:57Z","modified":"2023-01-29T05:01:26Z","updated_at":"2026-11-02T14:44:49.414884Z"}],"nvd":[{"id":"CVE-2019-15620","description":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.","status":"published","published":"2020-02-04T20:15:12.447Z","modified":"2026-06-17T02:20:45.727Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:05:43.875329Z"}],"osv":[{"id":"CVE-2019-15620","description":"Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.","status":"published","published":"2020-02-04T20:15:12.447Z","modified":"2026-10-24T14:20:26.043628886Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:44:11.361782Z"}]}}