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Nextcloud Server

nextcloud_server

Vendor: Nextcloud • 189 CVEs

CVEs (189)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
8.1 HIGH· v3
5.5 MEDIUM· v2
A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
4.3 MEDIUM· v3
4.0 MEDIUM· v2
Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app.
3Nextcloud
NovellOpensuse
3Backports Sle
Nextcloud ServerSuse Linux Enterprise Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
5.0 MEDIUM· v3
4.0 MEDIUM· v2
An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
4.3 MEDIUM· v3
4.0 MEDIUM· v2
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
3Nextcloud
OpensuseSuse
3Backports
Nextcloud ServerSuse Linux Enterprise Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
4.9 MEDIUM· v3
4.0 MEDIUM· v2
Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.
3Nextcloud
OpensuseSuse
3Backports Sle
Nextcloud ServerPackage Hub
Jun 17, 2026
Feb 4, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.
1Nextcloud
3Deck
Nextcloud ServerTalk
Jun 17, 2026
Feb 4, 2020
N/A· v4
4.8 MEDIUM· v3
3.5 LOW· v2
Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
4.8 MEDIUM· v3
3.5 LOW· v2
Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
5.4 MEDIUM· v3
5.5 MEDIUM· v2
A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
4.3 MEDIUM· v3
4.0 MEDIUM· v2
Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long.
2Nextcloud
Opensuse
2Backports
Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
8.0 HIGH· v3
6.0 MEDIUM· v2
A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Feb 4, 2020
N/A· v4
5.9 MEDIUM· v3
3.2 LOW· v2
A bug in Nextcloud Server 15.0.2 causes pending 2FA logins to not be correctly expired when the password of the user is reset.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Jul 30, 2019
N/A· v4
4.6 MEDIUM· v3
2.1 LOW· v2
Bypass lock protection in the Nextcloud Android app prior to version 3.6.1 allows accessing the files when repeatedly opening and closing the app in a very short time.
1Nextcloud
1Nextcloud Server
Jun 17, 2026
Jul 30, 2019
N/A· v4
4.3 MEDIUM· v3
4.0 MEDIUM· v2
A missing check in the Nextcloud Server prior to version 15.0.1 causes leaking of calendar event names when adding or modifying confidential or private events.
1Nextcloud
1Nextcloud Server
Nov 21, 2024
Oct 30, 2018
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
A missing check in Nextcloud Server prior to 14.0.0 could give unauthorized access to the previews of single file password protected shares.
1Nextcloud
1Nextcloud Server
Nov 21, 2024
Oct 30, 2018
N/A· v4
8.1 HIGH· v3
5.5 MEDIUM· v2
Improper revalidation of permissions in Nextcloud Server prior to 14.0.0, 13.0.6 and 12.0.11 lead to not accepting access restrictions by acess tokens.
1Nextcloud
1Nextcloud Server
Nov 21, 2024
Oct 30, 2018
N/A· v4
5.3 MEDIUM· v3
4.3 MEDIUM· v2
Missing state in Nextcloud Server prior to 14.0.0 would not enforce the use of a second factor at login if the the provider of the second factor failed to load.
1Nextcloud
1Nextcloud Server
Nov 21, 2024
Oct 30, 2018
N/A· v4
5.7 MEDIUM· v3
3.5 LOW· v2
A missing access check in Nextcloud Server prior to 14.0.0 could lead to continued access to password protected link shares when the owner had changed the password.