VulnerabilityDeferred

CVE-2026-45266

Nextcloud is an open source content collaboration platform.

LOW 3.5EPSS 0.20%

Does this matter?

Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own.

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 3.1: 3.5 LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS: 0.20% probability · 10th percentile
CISA KEV: Not listed
Weakness: CWE-284
Source: security-advisories@github.com

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.