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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CVECVSSEPSSPublishedSummary · affected versions
CVE-2017-0891
5.4
1%
May 8
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are vulnerable to an inadequate escaping of error messages leading to XSS vulnerabilities in multiple components
Affected: before 9.0.58; 10.0.0 before 10.0.5; 11.0.0 before 11.0.3
CVE-2017-0890
5.4
1%
May 8
Nextcloud Server before 11.0.3 is vulnerable to an inadequate escaping leading to a XSS vulnerability in the search module
Affected: before 11.0.3
CVE-2016-9465
5.4
1%
Mar 28
Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Stored XSS in CardDAV image export
Affected: 10.0.0 before 10.0.1
CVE-2016-7419
5.4
1%
Sep 17
Cross-site scripting (XSS) vulnerability in share.js in the gallery application in ownCloud Server before 9.0.4 and Nextcloud Server before 9.0.52 allows remote authenticated…
Affected: through 9.0.51
CVE-2025-47791
5.3
0%
May 16
Nextcloud Server is a self hosted personal cloud system
Affected: 28.0.0 before 28.0.13; 28.0.0 before 28.0.13; 29.0.0 before 29.0.10; 29.0.0 before 29.0.10; 30.0.0 before 30.0.3; 30.0.0 before 30.0.3
CVE-2024-52521
5.3
0%
Nov 15
Nextcloud Server is a self hosted personal cloud system
Affected: 28.0.0 before 28.0.10; 28.0.0 before 28.0.10; 29.0.0 before 29.0.7; 29.0.0 before 29.0.7
CVE-2023-39959
5.3
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-2023-39958
5.3
1%
Aug 10
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform
Affected: 22.0.0 before 22.2.10.14; 23.0.0 before 23.0.12.9; 24.0.0 before 24.0.12.5; 25.0.0 before 25.0.9; 25.0.0 before 25.0.9; 26.0.0 before 26.0.4; +3 more
CVE-2023-25162
5.3
1%
Feb 13
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform
Affected: before 23.0.12; 24.0.0 before 24.0.8
CVE-2023-25161
5.3
1%
Feb 13
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform
Affected: before 23.0.12; 24.0.0 before 24.0.8; 25.0.0
CVE-2023-25159
5.3
0%
Feb 13
Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform
Affected: 24.0.4 through 24.0.8; 24.0.2; 25.0.0
CVE-2022-41970
5.3
1%
Dec 1
Nextcloud Server is an open source personal cloud server
Affected: 24.0.0 before 24.0.7; 24.0.0 before 24.0.7; 25.0.0; 25.0.0
CVE-2022-41968
5.3
1%
Dec 1
Nextcloud Server is an open source personal cloud server
Affected: 23.0.0 before 23.0.10; 23.0.0 before 23.0.10; 24.0.0 before 24.0.5; 24.0.0 before 24.0.5
CVE-2022-39329
5.3
1%
Oct 27
Profile of disabled user stays accessible
Affected: before 23.0.9; 24.0.0 before 24.0.5
CVE-2022-39211
5.3
1%
Sep 16
Nextcloud server is an open source personal cloud platform
Affected: before 23.0.8; 24.0.0 before 24.0.4
CVE-2022-31118
5.3
1%
Aug 4
Missing brute force protection on cloud federation sharing in Nextcloud Server
Affected: before 22.2.9; 23.0.0 before 23.0.6; 24.0.0 before 24.0.2
CVE-2021-41233
5.3
1%
Mar 10
Nextcloud text is a collaborative document editing using Markdown built for the nextcloud server
Affected: before 20.0.14; 21.0.0 before 21.0.6; 22.2.0 before 22.2.1
CVE-2021-41239
5.3
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-2021-32766
5.3
1%
Sep 7
Nextcloud Text is an open source plaintext editing application which ships with the nextcloud server
Affected: before 20.0.12; 21.0.0 before 21.0.4; 22.0.0 before 22.1.0
CVE-2021-32741
5.3
1%
Jul 12
Nextcloud Server is a Nextcloud package that handles data storage
Affected: before 19.0.13; 20.0.0 before 20.0.11; 21.0.0 before 21.0.3
CVE-2021-32734
5.3
1%
Jul 12
Nextcloud Server is a Nextcloud package that handles data storage
Affected: before 19.0.13; 20.0.0 before 20.0.11; 21.0.0 before 21.0.3
CVE-2021-32725
5.3
1%
Jul 12
Nextcloud Server is a Nextcloud package that handles data storage
Affected: before 19.0.13; 20.0.0 before 20.0.11; 21.0.0 before 21.0.3
CVE-2021-32703
5.3
2%
Jul 12
Nextcloud Server is a Nextcloud package that handles data storage
Affected: before 19.0.13; 20.0.0 before 20.0.11; 21.0.0 before 21.0.3
CVE-2021-32678
5.3
1%
Jul 12
Nextcloud Server is a Nextcloud package that handles data storage
Affected: before 19.0.13; 20.0.0 before 20.0.11; 21.0.0 before 21.0.3
CVE-2020-8133
5.3
1%
Nov 9
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file
Affected: 19.0.1
CVE-2019-15623
5.3
2%
Feb 4
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…
Affected: before 14.0.13; 15.0.0 before 15.0.9; 16.0.0 before 16.0.2
CVE-2018-16467
5.3
1%
Oct 30
A missing check in Nextcloud Server prior to 14.0.0 could give unauthorized access to the previews of single file password protected shares
Affected: before 14.0.0
CVE-2018-16465
5.3
1%
Oct 30
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
Affected: before 14.0.0
CVE-2018-3776
5.3
1%
Aug 12
Improper input validator in Nextcloud Server prior to 12.0.3 and 11.0.5 could lead to an attacker's actions not being logged in the audit log
Affected: 11.0.0 before 11.0.5; 12.0.0 before 12.0.3
CVE-2016-9468
5.3
2%
Mar 28
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the dav app
Affected: before 9.0.54; 10.0.0 through 10.0.1
CVE-2016-9467
5.3
3%
Mar 28
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the files app
Affected: before 9.0.54; 10.0.0 before 10.0.1
CVE-2020-8118
5.0
1%
Feb 4
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
Affected: before 15.0.9; 16.0.0 before 16.0.2
CVE-2025-66510
4.9
0%
Dec 5
Nextcloud Server is a self hosted personal cloud system
Affected: 28.0.0 before 28.0.14.11; 29.0.0 before 29.0.16.8; 30.0.0 before 30.0.17.3; 31.0.0 before 31.0.10; 31.0.0 before 31.0.10; 32.0.0 before 32.0.1
CVE-2019-15624
4.9
1%
Feb 4
Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders
Affected: before 14.0.11; 15.0.0 before 15.0.8
CVE-2021-22878
4.8
1%
Mar 3
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`
Affected: before 20.0.6
CVE-2019-15619
4.8
1%
Feb 4
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…
Affected: before 16.0.4
CVE-2019-15618
4.8
1%
Feb 4
Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location
Affected: before 14.0.9; 15.0.0 before 15.0.6
CVE-2019-5451
4.6
0%
Jul 30
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
Affected: before 3.6.1
CVE-2023-48305
4.4
0%
Nov 21
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform
Affected: 25.0.0 before 25.0.11; 25.0.0 before 25.0.11; 26.0.0 before 26.0.6; 26.0.0 before 26.0.6; 27.0.0 before 27.1.0; 27.0.0 before 27.1.0
CVE-2020-8152
4.4
0%
Nov 16
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the public key to decrypt them later on
Affected: before 20.0.0
CVE-2026-45283
4.3
0%
Jun 1
Nextcloud: Files Lock app allows users to lock and unlock files of other users
Affected: 32.0.0 before 32.0.2; 33.0.0 before 33.0.1; 31.0.0 before 31.0.14.4; 32.0.0 before 32.0.2; 33.0.0 before 33.0.1
CVE-2025-64011
4.3
0%
Dec 12
Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference (IDOR) in the /core/preview endpoint
Affected: 30.0.0
CVE-2025-66552
4.3
0%
Dec 5
Nextcloud Server is a self hosted personal cloud system
Affected: 30.0.0 before 30.0.9; 30.0.0 before 30.0.9; 31.0.0 before 31.0.1; 31.0.0 before 31.0.1
CVE-2025-66547
4.3
0%
Dec 5
Nextcloud Server is a self hosted personal cloud system
Affected: 31.0.0 before 31.0.1; 31.0.0 before 31.0.1
CVE-2025-47794
4.3
0%
May 16
Nextcloud Server is a self hosted personal cloud system
Affected: 26.0.0 before 26.0.13.13; 27.0.0 before 27.1.11.13; 28.0.0 before 28.0.14.4; 29.0.0 before 29.0.13; 29.0.0 before 29.0.13; 30.0.0 before 30.0.7; +3 more
CVE-2024-52513
4.3
1%
Nov 15
Nextcloud Server is a self hosted personal cloud system
Affected: 25.0.0 before 25.0.13.13; 26.0.0 before 26.0.13.9; 27.0.0 before 27.1.11.9; 28.0.0 before 28.0.11; 28.0.0 before 28.0.11; 29.0.0 before 29.0.8; +3 more
CVE-2024-52516
4.3
0%
Nov 15
Nextcloud Server is a self hosted personal cloud system
Affected: 26.0.0 before 26.0.13.9; 27.0.0 before 27.1.11.9; 28.0.0 before 28.0.9; 28.0.0 before 28.0.9; 29.0.0 before 29.0.5; 29.0.0 before 29.0.5
CVE-2024-37315
4.3
0%
Jun 14
Nextcloud Server is a self hosted personal cloud system
Affected: 23.0.0 through 23.0.12; 24.0.0 through 24.0.12; 25.0.0 before 25.0.13; 26.0.0 before 26.0.12; 26.0.0 before 26.0.12; 27.0.0 before 27.1.7; +3 more
CVE-2023-48304
4.3
1%
Nov 21
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform
Affected: 22.0.0 through 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-2023-45148
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
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