{"id":"CVE-2026-68493","aliases":["BIT-nextcloud-2026-68493","EUVD-2026-82623","GHSA-f3xf-5g94-7q62"],"status":"published","title":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve...","description":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.","severity":{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00227,"percentile":0.13537,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-09-18T01:26:04Z","modified":"2026-09-25T14:15:15Z","fixes":[{"ecosystem":"Bitnami","package":"nextcloud","fixed_in":["34.0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"nextcloud","ranges":[{"type":"SEMVER","events":[{"introduced":"32.0.0"},{"fixed":"34.0.1"}]}]}],"products":[{"vendor":"devolutions","product":"server"},{"vendor":"nextcloud","product":"server"}],"references":[{"url":"https://hackerone.com/reports/3484601","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68493","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f3xf-5g94-7q62"}],"sources":{"cve":[{"id":"CVE-2026-68493","description":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.","status":"published","published":"2026-09-18T01:26:04.654Z","modified":"2026-09-18T19:40:16.781Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:46:10.323375Z"}],"euvd":[{"id":"EUVD-2026-82623","description":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.","status":"published","published":"2026-09-18T01:26:04Z","modified":"2026-09-18T19:40:16Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T17:28:07.574446Z"}],"ghsa":[{"id":"GHSA-f3xf-5g94-7q62","title":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve...","description":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.","status":"published","published":"2026-09-18T03:30:25Z","modified":"2026-09-18T03:30:33Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:12:08.779152Z"}],"nvd":[{"id":"CVE-2026-68493","description":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.","status":"published","published":"2026-09-18T02:17:07.35Z","modified":"2026-09-18T20:17:21.037Z","cvss":[{"version":"3.0","score":3.1,"vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:49.70655Z"}],"osv":[{"id":"BIT-nextcloud-2026-68493","description":"After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.","status":"published","published":"2026-09-25T12:27:06.092Z","modified":"2026-09-25T14:15:15.908656653Z","updated_at":"2026-11-02T15:28:34.007508Z"}]}}