NE
Product
nextcloud/server
by NextCloud · last CVE Jun 1, 2026
189
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 7High 42Medium 125Low 15
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Add nextcloud/server to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-45148
4.3
1%
Oct 16
Nextcloud is an open source home cloud server
Affected: 22.0.0 before 22.2.10.16; 23.0.0 before 23.0.12.11; 24.0.0 before 24.0.12.7; 25.0.0 before 25.0.11; 25.0.0 before 25.0.11; 26.0.0 before 26.0.6; +3 more
CVE-2023-39961
4.3
1%
Aug 10
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform
Affected: 25.0.0 before 25.0.9; 25.0.0 before 25.0.9; 26.0.0 before 26.0.4; 26.0.0 before 26.0.4; 27.0.0; 27.0.0
CVE-2023-28834
4.3
1%
Apr 3
Nextcloud Server is an open source personal cloud server
Affected: 23.0.0 before 23.0.14; 24.0.0 before 24.0.10; 24.0.0 before 24.0.10; 25.0.0 before 25.0.4; 25.0.0 before 25.0.4
CVE-2022-39330
4.3
1%
Oct 27
Database resource exhaustion for logged-in users via sharee recommendations with circles
Affected: before 23.0.10; 24.0.0 before 24.0.6
CVE-2022-29243
4.3
2%
May 31
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform
Affected: before 22.2.7; after 23.0.0 before 23.0.4
CVE-2022-29163
4.3
1%
May 20
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform
Affected: before 22.2.6; 23.0.0 before 23.0.3
CVE-2022-24889
4.3
1%
Apr 27
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform
Affected: before 21.0.8; 22.0.0 before 22.2.4; 23.0.0 before 23.0.1
CVE-2022-24888
4.3
1%
Apr 27
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform
Affected: before 20.0.14.4; 21.0.0 before 21.0.8; 22.0.0 before 22.2.4; 23.0.0 before 23.0.1
CVE-2021-41241
4.3
1%
Mar 8
Nextcloud server is a self hosted system designed to provide cloud style services
Affected: before 20.0.14; 21.0.0 before 21.0.6; 22.2.0
CVE-2021-32657
4.3
2%
Jun 1
Nextcloud Server is a Nextcloud package that handles data storage
Affected: before 19.0.11; 20.0.0 before 20.0.10; 21.0.0 before 21.0.2
CVE-2020-8122
4.3
1%
Feb 4
A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received
Affected: before 12.0.13; 13.0.0 before 13.0.8; 14.0.0 before 14.0.4; 14.0.5 before 15.0.0
CVE-2020-8119
4.3
1%
Feb 4
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
Affected: before 15.0.13; 16.0.0 before 16.0.6; 17.0.0 before 17.0.1
CVE-2020-8117
4.3
1%
Feb 4
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event
Affected: before 12.0.13; 13.0.0 before 13.0.8; 14.0.0 before 14.0.4
CVE-2019-15616
4.3
1%
Feb 4
Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long
Affected: before 17.0.0
CVE-2019-5449
4.3
1%
Jul 30
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
Affected: before 15.0.1
CVE-2018-3762
4.3
1%
Jul 5
Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not…
Affected: before 12.0.8; 13.0.0 before 13.0.3
CVE-2017-0894
4.3
1%
May 8
Nextcloud Server before 11.0.3 is vulnerable to disclosure of valid share tokens for public calendars due to a logical error
Affected: before 11.0.3
CVE-2017-0888
4.3
2%
Apr 5
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a Content-Spoofing vulnerability in the "files" app
Affected: 10.0.2
CVE-2017-0887
4.3
1%
Apr 5
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation
Affected: before 9.0.55; 10.0.0 before 10.0.2
CVE-2017-0885
4.3
1%
Apr 5
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share
Affected: before 9.0.55; 10.0.0 before 10.0.2
CVE-2017-0884
4.3
1%
Apr 5
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue
Affected: before 9.0.55; 10.0.0 before 10.0.2
CVE-2016-9464
4.3
2%
Mar 28
Nextcloud Server before 9.0.54 and 10.0.0 suffers from an improper authorization check on removing shares
Affected: before 9.0.54; 10.0
CVE-2016-9462
4.3
2%
Mar 28
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file
Affected: before 9.0.52
CVE-2016-9461
4.3
2%
Mar 28
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions
Affected: before 9.0.52
CVE-2020-8150
4.1
0%
Nov 9
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files
Affected: before 19.0.2
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