Description
Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users were able to load the first page of apps they were actually not allowed to access. Depending on the selection of apps installed this may present a permissions bypass. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or 3.0.1. There are no known workarounds for this vulnerability.
Scores
CVSS v3
5.4
EPSS
0.0032
EPSS Percentile
54.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-281
Status
published
Products (3)
nextcloud/guests
2.5.0
nextcloud/guests
3.0.0
nextcloud/guests
< 2.4.1
Published
Jan 18, 2024
Tracked Since
Feb 18, 2026