CVE-2026-45543P4MEDIUMCVSS 5.3≥ 4.3.0, < 5.2.72026-06-01
CVE-2026-45543 [MEDIUM] CWE-552 CVE-2026-45543: Nextcloud is an open source content collaboration platform. From version 4.3.0 to before version 5.2
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.
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