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.
https://hackerone.com/reports/3484601
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-82623
Source: Mitre, NVD
Published: 2026-09-18
Updated: 2026-09-18
Base Score: 2.1
Vector: CVSS2#AV:N/AC:H/Au:S/C:P/I:N/A:N
Severity: Low
Base Score: 3.1
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.0014