CVE-2024-52516

Nextcloud Server's shares are not removed when user is limited to share with in their groups and being removed from one of them

MEDIUM
4.3
CVSS Score
Published: November 15, 2024 at 04:55 PM UTC
Updated: June 17, 2026 at 08:07 AM UTC
1 product affected across 1 vendorNextcloud/server

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nextcloud Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6 and Nextcloud Enterprise Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

26.0.0 ≤ v < 26.0.13.927.0.0 ≤ v < 27.1.11.928.0.0 ≤ v < 28.0.929.0.0 ≤ v < 29.0.5
Affected range stops below 26.0.13.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.1.11.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 28.0.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 29.0.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-269NVD-CWE-noinfo

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