SE
Product
security-advisories
by nextcloud · last CVE Jun 1, 2026
52
CVEs
0
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 1High 5Medium 37Low 9
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2022-31132
9.8
1%
Aug 4
Unauthenticated SSRF in 3rd party module "cerdic/csstidy"
Affected: < 1.12.8; >= 1.13.0, < 1.13.6
CVE-2026-45284
8.8
0%
Jun 1
Nextcloud: Wrong condition in the User OIDC app's LdapService allowed deleted LDAP users to authenticate
Affected: >= 1.3.6, < 8.4.0
CVE-2026-45545
8.2
0%
Jun 1
Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution
Affected: >= 0.7.0, < 0.7.7; >= 0.8.0, < 0.8.10; >= 0.9.0, < 0.9.8; >= 1.0.0, < 1.0.4
CVE-2026-45281
8.1
0%
Jun 1
Nextcloud: Cross-Account Calendar Takeover via Unauthorized Group-Member-Set Update
Affected: >= 32.0.0, < 32.0.9; >= 33.0.0, < 33.0.3
CVE-2026-45156
8.1
0%
Jun 1
Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification in User OIDC
Affected: >= 0.3.0, < 3.1.0; >= 5.0.0, < 5.1.0; >= 6.0.0, < 6.4.0
CVE-2026-45722
7.1
0%
Jun 1
Nextcloud: Tables app allows limited SQLi in ORDER BY with malicious sort order argument for Table Views
Affected: >= 0.9.0, < 0.9.7; >= 1.0.0, < 1.0.2
CVE-2026-45810
6.8
0%
Jun 1
Nextcloud: Propfind requests for file comments allowed to load comments for other files
Affected: >= 31.0.0, < 31.0.12; >= 32.0.0, < 32.0.3
CVE-2026-45282
6.5
0%
Jun 1
Nextcloud: Logged-in user bypasses share password and download restrictions on Text attachments via documentId leads to unauthorized file access
Affected: >= 32.0.0, < 32.0.9; >= 33.0.0, < 33.0.3
CVE-2026-45279
6.5
0%
Jun 1
Nextcloud: Limited path traversal via template API if using `{lang}` in config
Affected: >= 31.0.0, < 31.0.14; >= 32.0.0, < 32.0.4
CVE-2026-45275
6.5
0%
Jun 1
Nextcloud: Authorization bypass in approval feature allows unauthorized file sharing with approvers
Affected: < 2.7.2
CVE-2026-45267
6.5
0%
Jun 1
Nextcloud: Missing permission check for from submissions
Affected: < 5.2.6
CVE-2025-66511
6.5
0%
Dec 5
Nextcloud Calendar app used predictable proposal participant tokens
Affected: >= 6.0.0-rc.1, < 6.0.3
CVE-2022-39364
6.5
1%
Oct 27
Exception logging in Sharepoint app reveals clear-text connection details
Affected: < 22.2.10.5; >= 23.0.0, < 23.0.9; >= 24.0.0, < 24.0.5
CVE-2026-45285
6.4
0%
Jun 1
Nextcloud: Hidden Public Link creation when sharing to a Team External Member
Affected: >= 32.0.0, < 32.0.9; >= 33.0.0, < 33.0.3
CVE-2026-45157
6.3
0%
Jun 1
Nextcloud: Valid share tokens allow to access tempory upload files of share owner
Affected: >= 32.0.0, < 32.0.9; >= 33.0.0, < 33.0.3
CVE-2026-45278
6.1
0%
Jun 1
Nextcloud: Open Redirect in user_oidc login flow via protocol-relative URL bypass
Affected: >= 6.1.0, < 8.2.2
CVE-2025-66512
6.1
0%
Dec 5
Nextcloud Server vulnerable to XSS in SVG images when opened outside of Nextcloud
Affected: >= 32.0.0beta1, < 32.0.3; < 31.0.12
CVE-2026-45691
5.9
0%
Jun 1
Nextcloud: Bypass of second factor authentication on DAV endpoints
Affected: >= 32.0.0, < 32.0.9; >= 33.0.0, < 33.0.3
CVE-2026-45690
5.9
0%
Jun 1
Nextcloud: Two-Factor Authentication Bypass via Pending Session Token Replay
Affected: >= 32.0.0, < 32.0.9; >= 33.0.0, < 33.0.3
CVE-2025-66550
5.7
0%
Dec 5
Nextcloud Calendar attachments of local files are offered to downloaded
Affected: >= 5.0.0-rc.1, < 5.2.4; < 4.7.17
CVE-2025-66548
5.5
0%
Dec 5
Nextcloud Deck app allows to spoof file extensions by using RTLO characters
Affected: >= 1.15.0-beta.1, < 1.15.1; >= 1.14.0-beta.1, < 1.14.4; < 1.12.7
CVE-2025-66554
5.4
0%
Dec 5
Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field
Affected: >= 7.0.0-alpha.1, < 7.2.5; >= 6.0.0-alpha1, < 6.0.6; < 5.5.4
CVE-2025-66514
5.4
0%
Dec 5
Nextcloud Mail stored HTML injection in subject text
Affected: >= 5.2.0-beta.1, < 5.5.3
CVE-2026-45543
5.3
0%
Jun 1
Nextcloud: Deleting a Forms collaborator share leaves uploaded response files accessible through a lingering Files share
Affected: >= 4.3.0, < 5.2.7
CVE-2025-66513
5.3
0%
Dec 5
Nextcloud Tables app share information not limited to relevant users
Affected: >= 1.0.0-beta.1, < 1.0.1; >= 0.9.0-beta.1, < 0.9.6; < 0.8.9
CVE-2022-39329
5.3
1%
Oct 27
Profile of disabled user stays accessible
Affected: < 23.0.9; >= 24.0.0, < 24.0.5
CVE-2022-31118
5.3
1%
Aug 4
Missing brute force protection on cloud federation sharing in Nextcloud Server
Affected: < 22.2.9; >= 23.0.0, < 23.0.6; >= 24.0.0, < 24.0.2
CVE-2025-66510
4.9
0%
Dec 5
Nextcloud Server Contacts Search allowed users to retrieve contact information of other users beyond their contact list
Affected: >= 32.0.0beta1, < 32.0.1; < 31.0.10
CVE-2022-31119
4.9
1%
Aug 4
Password disclosure in log file in Nextcloud Mail App
Affected: < 1.12.1
CVE-2026-45153
4.6
0%
Jun 1
Nextcloud: PIN bypass in PassCodeActivity via back button
Affected: >= 33.0.0, < 33.1.0
CVE-2026-45544
4.3
0%
Jun 1
Nextcloud: Information Disclosure of view filter metdata via Broken Sensitive Data Masking in ViewService
Affected: >= 0.8.0, < 1.0.4
CVE-2026-45286
4.3
0%
Jun 1
Nextcloud: Calendar app leaked user identifiers via attendee suggestion endpoint
Affected: >= 5.5.13, < 5.5.17; >= 6.2.0, < 6.2.3
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, < 32.0.2; >= 33.0.0, < 33.0.1
CVE-2026-45264
4.3
0%
Jun 1
Nextcloud: ACL Rename Permission Bypass in Team Folders Allows Unauthorized File Renames
Affected: >= 17.0.0, < 17.0.15; >= 18.0.0, < 18.1.12; >= 19.0.0, < 19.1.16; >= 20.0.0, < 20.1.11; >= 21.0.0, < 21.0.4
CVE-2025-66558
4.3
0%
Dec 5
Nextcloud Twofactor WebAuthn app was updated based on public key
Affected: < 1.4.2; >= 2.0.0-beta.1, < 2.4.1
CVE-2025-66556
4.3
0%
Dec 5
Nextcloud talk allows participants to blindly delete poll drafts of other users by ID
Affected: < 20.1.8; >= 21.0.0-beta.1, < 21.1.2
CVE-2025-66545
4.3
0%
Dec 5
Nextcloud Groupfolders users with read-only permissions for team folder can restore deleted files from trash bin
Affected: < 14.0.11; >= 15.0.0-beta1, < 15.3.12; >= 16.0.0, < 16.0.15; >= 17.0.0-beta.1, < 17.0.14; >= 18.0.0-beta.1, < 18.1.8; >= 19.0.0-alpha.1, < 19.1.8; +1 more
CVE-2025-66557
4.3
0%
Dec 5
Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners
Affected: >= 1.15.0-beta.1, < 1.15.2; < 1.14.6
CVE-2025-66553
4.3
0%
Dec 5
Nextcloud Tables app allowed users to view columns metadata information of any table
Affected: >= 0.9.0-beta.1, < 0.9.4; < 0.8.7
CVE-2025-66551
4.3
0%
Dec 5
Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users
Affected: >= 0.9.0-beta.1, < 0.9.3; < 0.8.6
CVE-2025-66552
4.3
0%
Dec 5
Nextcloud Server admin_audit does not log all actions on files in groupfolders
Affected: >= 32.0.0beta1, < 32.0.1; < 31.0.9
CVE-2025-66547
4.3
0%
Dec 5
Nextcloud Server users can modify tags on files that do not belong to them
Affected: < 31.0.1
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-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-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-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
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