CVE-2026-45266CWE-284

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

Low · published June 1, 2026

CVSS v3.1
3.5
EPSS
0%
Percentile
27.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.5 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00353 · 27.8th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-06-01T16:39Z
EPSS history
Timeline
  • 01 JUN 16:39Z
    Nextcloud: Unauthorized force-mute from missing permission check when using internal signaling
    cvelistv5