CVE-2026-45266 LOW

CVE-2026-45266: Nextcloud: Unauthorized force-mute from missing permission check when using internal signaling

Vendor Nextcloud
Product security-advisories
Weakness CWE-284
Published June 1, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

3.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated