Nextcloud is an open source content collaboration platform. From version 4.3.0 to before version 5.2.7, a removed collaborator retains unauthorized read access to uploaded respondent files for the affected form. The scope is limited to uploaded files for forms where that user previously had results access. This issue has been patched in version 5.2.7.

Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 01 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 01 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description Nextcloud is an open source content collaboration platform. From version 4.3.0 to before version 5.2.7, a removed collaborator retains unauthorized read access to uploaded respondent files for the affected form. The scope is limited to uploaded files for forms where that user previously had results access. This issue has been patched in version 5.2.7.
Title Nextcloud: Deleting a Forms collaborator share leaves uploaded response files accessible through a lingering Files share
Weaknesses CWE-552
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-01T19:33:14.762Z

Reserved: 2026-05-12T17:48:47.879Z

Link: CVE-2026-45543

cve-icon Vulnrichment

Updated: 2026-06-01T19:33:08.492Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-01T19:16:51.707

Modified: 2026-06-02T14:00:31.067

Link: CVE-2026-45543

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-01T21:45:22Z

Weaknesses