CVE-2026-45154 LOW

CVE-2026-45154: Nextcloud: Improper Access Control in Collectives

Vendor Nextcloud
Product security-advisories
Weakness CWE-284
Published June 1, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

2.6/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Nextcloud is an open source content collaboration platform. From version 2.6.0 to before version 4.3.0, when a previous collective pages was deleted and the collective was shared view-only, guests with access to the collective were able to access the deleted pages directly from the trashbin. This issue has been patched in version 4.3.0.

Key dates

02Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated