SE
Product
security-advisories
by nextcloud · last CVE Jun 1, 2026
195
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 7High 37Medium 130Low 21
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2024-52513
4.3
1%
Nov 15
Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares
Affected: >= 28.0.0, < 28.0.11; >= 29.0.0, < 29.0.8; >= 30.0.0, < 30.0.1
CVE-2024-52516
4.3
0%
Nov 15
Nextcloud Server's shares are not removed when user is limited to share with in their groups and being removed from one of them
Affected: >= 28.0.0, < 28.0.9; >= 29.0.0, < 29.0.5
CVE-2024-37883
4.3
0%
Jun 14
Nextcloud Deck can access comments and attachments of deleted cards
Affected: >= 1.6.0, < 1.6.6; >= 1.7.0, < 1.7.5; >= 1.8.0, < 1.8.7; >= 1.9.0, < 1.9.6; >= 1.10.0, < 1.11.3; >= 1.11.0, < 1.12.1
CVE-2024-37315
4.3
0%
Jun 14
Nextcloud Server's read-only users can restore old versions
Affected: >= 26.0.0, < 26.0.12; >= 27.0.0, < 27.1.7; >= 28.0.0, < 28.0.3
CVE-2024-22401
4.3
0%
Jan 18
All users can reset the allowed apps list for Nextcloud Guest App users
Affected: >= 2.4.0, < 2.4.1; >= 2.5.0, < 2.5.1; >= 3.0.0, < 3.0.1
CVE-2024-22404
4.3
1%
Jan 18
Permissions bypass in Nextcloud with the files zip app
Affected: >= 1.2.0, < 1.2.1; >= 1.3.0, < 1.4.1
CVE-2023-49790
4.3
0%
Dec 22
App PIN code can be bypassed in Nextcloud Files iOS
Affected: < 4.9.2
CVE-2023-48304
4.3
1%
Nov 21
Nextcloud Server vulnerable to attacker enabling/disabling birthday calendar for any user
Affected: >= 25.0.0, < 25.0.11; >= 26.0.0, < 26.0.6; >= 27.0.0, < 27.1.0; >= 22.0.0, < 22.2.10.16; >= 23.0.0, < 23.0.12.11; >= 24.0.0, < 24.0.12.7
CVE-2023-45150
4.3
0%
Oct 16
Inviting excessive long email addresses to a calendar event makes the Nextcloud server unresponsive
Affected: >= 1.0.0, < 4.4.4
CVE-2023-45149
4.3
1%
Oct 16
Password of talk conversations can be bruteforced in Nextcloud
Affected: >= 15.0.0, < 15.0.8; >= 16.0.0, < 16.0.6; >= 17.0.0, < 17.1.1
CVE-2023-45148
4.3
1%
Oct 16
Rate limiter not working reliable when Memcached is installed in Nextcloud
Affected: >= 25.0.0, < 25.0.11; >= 26.0.0, < 26.0.6; >= 27.0.0, < 27.1.0
CVE-2023-45660
4.3
1%
Oct 16
Require strict cookies for image proxy requests in Nextcloud Mail
Affected: >= 2.0.0, < 2.2.8; >= 3.0.0, < 3.3.0
CVE-2023-39961
4.3
1%
Aug 10
Text does not respect "Allow download" permissions
Affected: >= 24.0.4, < 24.0.12.5; >= 25.0.0, < 25.0.9; >= 27.0.0, < 27.0.1; >= 26.0.0, < 26.0.4
CVE-2023-33183
4.3
0%
May 30
Error in calendar when booking an appointment reveals the full path of the website
Affected: < 3.5.5; < 4.2.3
CVE-2023-33182
4.3
1%
May 30
Nextcloud Contacts photos only sanitized if mime type is all lower case
Affected: >= 4.1.0, < 4.2.4; >= 5.0.0, < 5.0.3
CVE-2023-30540
4.3
1%
Apr 17
Chat poll data can still be queried from API after purging history in Nextcloud talk
Affected: >= 15.0.0, < 15.0.5
CVE-2023-28834
4.3
1%
Apr 3
Full path of data directory exposed to Nextcloud server users
Affected: >= 23.0.0, < 23.0.14; >= 24.0.0, < 24.0.10; >= 25.0.0, < 25.0.4
CVE-2023-26041
4.3
1%
Feb 27
Nextcloud Talk messages can still be seen on conversation after expiring when cron is misconfigured
Affected: < 15.0.3
CVE-2023-23943
4.3
1%
Feb 6
Blind SSRF via server URL input in the Nextcloud Mail app
Affected: >= 2.0.0, < 2.2.2; < 1.15.0
CVE-2023-22471
4.3
1%
Jan 14
Nextcloud Deck vulnerable to authorization bypass
Affected: >= 1.60, < 1.6.5; >= 1.7.0, < 1.7.3; >= 1.8.0, < 1.8.2
CVE-2022-39339
4.3
0%
Nov 25
Cleartext Transmission of Sensitive Information in user_oidc
Affected: < 1.2.1
CVE-2022-39330
4.3
1%
Oct 27
Database resource exhaustion for logged-in users via sharee recommendations with circles
Affected: >= 23.0.0, < 23.0.9; >= 24.0.0, < 24.0.5; < 22.2.10
CVE-2022-36075
4.3
1%
Sep 15
File list exposure in Nextcloud Files Access Control
Affected: < 1.12.2; >= 1.13.0, < 1.13.1; >= 1.14.0, < 1.14.1
CVE-2022-31131
4.3
1%
Jul 6
Ownership check missing when updating or deleting mail attachments in Nextcloud mail
Affected: < 1.12.2
CVE-2024-22403
3.7
0%
Jan 18
OAuth2 authorization codes are valid indefinetly in Nextcloud server
Affected: < 28.0.0
CVE-2026-45266
3.5
0%
Jun 1
Nextcloud: Unauthorized force-mute from missing permission check when using internal signaling
Affected: < 21.1.10; < 22.0.11; < 23.0.3
CVE-2026-45159
3.5
0%
Jun 1
Nextcloud: Files drop share links for end-to-end encrypted folders allowed to drop files into other folders of the share owner
Affected: >= 1.15.0, < 1.15.4; >= 1.16.0, < 1.16.3; >= 1.17.0, < 1.17.1; >= 1.18.0, < 1.18.1
CVE-2024-52514
3.5
1%
Nov 15
Nextcloud Server allows users to copy folder that contain files that are blocked by the files access control
Affected: >= 28.0.0, < 28.0.5; >= 27.0.0, < 27.1.9
CVE-2024-37887
3.5
0%
Jun 14
Nextcloud Server's events information leaked with shared calendars on recurrence exceptions
Affected: >= 27.0.0, < 27.1.10; >= 27.0.0, < 28.0.6; >= 27.0.0, < 29.0.1
CVE-2024-37314
3.5
0%
Jun 14
Nextcloud Photos' shared albums have no restriction on photo removal
Affected: >= 25.0.1, < 25.0.7; >= 26.0.0, < 26.0.2
CVE-2023-28845
3.5
0%
Mar 31
Chat room membership disclosed via autocompletion in Nextcloud talk
Affected: >= 15.0.0, < 15.0.4; >= 14.0.0, < 14.0.9
CVE-2023-22469
3.5
1%
Jan 10
Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache
Affected: < 1.8.2
CVE-2022-31014
3.5
3%
Jul 5
SMTP Command Injection in iCalendar Attachments to emails via newlines in Nextcloud Server
Affected: < 22.2.8; >= 23.0.0, < 23.0.5; >= 24.0.0, < 24.0.1
CVE-2026-45277
3.3
0%
Jun 1
Nextcloud: Information disclosure in Nextcloud Approval app via fileId parameter reveals workflow associations
Affected: < 2.7.2
CVE-2025-66546
3.3
0%
Dec 5
Nextcloud Calendar app allowed booking appointments without the generated token
Affected: >= 6.0.0-rc.1, < 6.0.1; >= 5.0.0-rc.1, < 5.5.6; >= 3.0.0-beta1, < 4.7.19
CVE-2025-66549
2.7
0%
Dec 5
Nextcloud Desktop discloses information when attempting to lock a file inside a end-to-end encrypted directory
Affected: < 3.16.5
CVE-2025-66515
2.7
0%
Dec 5
Nextcloud Approval app allows users to request approval for other users file
Affected: >= 2.0.0, < 2.5.0; < 1.3.1
CVE-2023-48303
2.7
1%
Nov 21
Nextcloud Server admins can change authentication details of user configured external storage
Affected: >= 25.0.0, < 25.0.11; >= 26.0.0, < 26.0.6; >= 27.0.0, < 27.1.0
CVE-2022-41969
2.7
1%
Dec 1
Nextcloud Server has no password length limit when creating a user as an administrator
Affected: < 23.0.11; >= 24.0.0, < 24.0.7
CVE-2022-35931
2.7
0%
Sep 6
Nextcloud Password Policy's generated passwords are not fully validated by HIBPValidator
Affected: >= 24.0.0, < 24.0.3; < 22.2.10; >= 23.0.0, < 23.0.7
CVE-2022-31120
2.7
1%
Aug 4
Federated share accepting/declining is not logged in audit log in Nextcloud Server
Affected: >= 23.0.0, < 23.0.4; < 22.2.7
CVE-2026-45155
2.6
0%
Jun 1
Nextcloud: Private circle can be added to another circle via API
Affected: >= 32.0.0, < 32.0.7; >= 33.0.0, < 33.0.1
CVE-2026-45154
2.6
0%
Jun 1
Nextcloud: Improper Access Control in Collectives
Affected: >= 2.6.0, < 4.3.0
CVE-2023-28646
2.4
0%
Mar 30
App lockout in nextcloud Android app can be bypassed via thirdparty apps
Affected: >= 3.7.0, < 3.24.1
CVE-2023-22473
2.1
1%
Jan 9
Passcode bypass on Talk-Android app
Affected: < 15.0.2
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