{"id":"CVE-2026-68493","state":"PUBLISHED","title":"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.","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.","publishedAt":"2026-09-18T01:26:04.654Z","updatedAt":"2026-09-18T19:40:16.781Z","severity":{"score":3.1,"label":"Low","version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"hackerone"},"assigner":"hackerone","products":["Nextcloud Server"],"affected":[{"vendor":"Nextcloud","product":"Server","defaultStatus":"unaffected","versions":[{"version":"32.0.0","status":"affected","lessThanOrEqual":"34.0.0","versionType":"semver"}]}],"references":["https://hackerone.com/reports/3484601"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68493.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68493","state":"PUBLISHED","datePublished":"2026-09-18T01:26:04.654Z","dateUpdated":"2026-09-18T19:40:16.781Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-07-30T15:00:00.609Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Nextcloud","product":"Server","defaultStatus":"unaffected","versions":[{"version":"32.0.0","status":"affected","lessThanOrEqual":"34.0.0","versionType":"semver"}]}],"references":[{"url":"https://hackerone.com/reports/3484601"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","baseScore":3.1,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","type":"CWE","lang":"en","description":"CWE-639 Insecure Direct Object Reference (IDOR)"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-09-18T01:26:04.654Z"},"credits":[{"lang":"en","value":"Melanie (milou)","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T19:40:01.086889Z","id":"CVE-2026-68493","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T19:40:16.781Z"}}]}}}