CVE-2026-45266

LOW CVSS 3.5 View on NVD ↗

Description

Nextcloud is an open source content collaboration platform. Prior to versions 21.1.10, 22.0.11, and 23.0.3, a low-privileged user can force other user's microphones to be muted in calls when no High-performance Backend is installed. This issue has been patched in versions 21.1.10, 22.0.11, and 23.0.3.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x75r-65hm-cw35
https://github.com/nextcloud/spreed/pull/17577
https://hackerone.com/reports/3636758

Published: Jun 01, 2026 17:17 UTC Modified: Jun 01, 2026 18:14 UTC