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.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://hackerone.com/reports/3484601 |
|
History
Sat, 19 Sep 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Logged‑in User Can Enumerate Memberships of Non‑Members via ID Guessing |
Sat, 19 Sep 2026 02:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Logged‑in User Can Enumerate Memberships of Non‑Members via ID Guessing |
Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 18 Sep 2026 11:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Nextcloud
Nextcloud server |
|
| Vendors & Products |
Nextcloud
Nextcloud server |
Fri, 18 Sep 2026 01:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Weaknesses | CWE-639 | |
| References |
| |
| Metrics |
cvssV3_0
|
Status: PUBLISHED
Assigner: hackerone
Published: 2026-09-18T01:26:04.654Z
Updated: 2026-09-18T19:40:16.781Z
Reserved: 2026-07-30T15:00:00.609Z
Link: CVE-2026-68493
Updated: 2026-09-18T19:40:12.424Z
Status : Awaiting Analysis
Published: 2026-09-18T02:17:07.350
Modified: 2026-09-18T20:17:21.037
Link: CVE-2026-68493
No data.