CVEvulnerability
CVE-2026-45543
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-01
- Last modified
- 2026-07-22
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-552
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.
Affected configurations
• nextcloud forms (>= 4.3.0 < 5.2.7)
Related
Weakness · CWE (1)
- CWE-552 Files or Directories Accessible to External Parties weakness
References
- https://github.com/nextcloud/forms/pull/3291 Issue Tracking, Patch
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q4fw-6jf8-5vhh Mitigation, Vendor Advisory
- https://hackerone.com/reports/3617352 Permissions Required