CVE-2026-45266

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.

Score

CVSS 3.1 3.5 Low

Status

Deferred - security-advisories@github.com

Published

2026-06-01

Last modified

2026-06-01

Weaknesses

CWE-284

Affected products

• Security-advisories (Nextcloud)

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