Nextcloud Groupfolders users with read-only permissions for team folder can restore deleted files from trash bin

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-66545
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-05 18:15:57 UTC
Updated2026-10-15 21:10:00 UTC
DescriptionNextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability is fixed in 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-707 | CWE-707 CWE-707: Improper Neutralization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1[email protected]Secondary3.5LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
3.1CNADECLARED3.5LOWCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nextcloud Group Folders All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nextcloud Security-advisories affected < 14.0.11 Not specified
CNA Nextcloud Security-advisories affected >= 15.0.0-beta1, < 15.3.12 Not specified
CNA Nextcloud Security-advisories affected >= 16.0.0, < 16.0.15 Not specified
CNA Nextcloud Security-advisories affected >= 17.0.0-beta.1, < 17.0.14 Not specified
CNA Nextcloud Security-advisories affected >= 18.0.0-beta.1, < 18.1.8 Not specified
CNA Nextcloud Security-advisories affected >= 19.0.0-alpha.1, < 19.1.8 Not specified
CNA Nextcloud Security-advisories affected >= 20.0.0, < 20.1.2 Not specified

References

ReferenceSourceLinkTags
github.com/nextcloud/groupfolders/pull/4076 [email protected] github.com Issue Tracking, Patch
github.com/nextcloud/security-advisories/security/advisories/GHSA-2vrq-f... [email protected] github.com Patch, Vendor Advisory
github.com/nextcloud/groupfolders/issues/4041 [email protected] github.com Issue Tracking
github.com/nextcloud/groupfolders/commit/bbe87ebed8da23e9df4db637a76fbc8... [email protected] github.com Patch
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