CVE-2026-45264

Published June 1st, 2026

View on NVD ↗

CVSS v3

4.3

MEDIUM

CVSS v2

N/A

Affected

PROJECTS

Description

Nextcloud is an open source content collaboration platform. From versions 17.0.0 to before 17.0.15, 18.0.0 to before 18.1.12, 19.0.0 to before 19.1.16, 20.0.0 to before 20.1.11, and 21.0.0 to before 21.0.4, a user with READ and CREATE permission, but no UPDATE permission for a team folder can rename files in the team folder. This issue has been patched in versions 17.0.15, 18.1.12, 19.1.16, 20.1.11, and 21.0.4.

nextcloud/security-advisories

👮 Security advisories of Nextcloud

GitHub

nextcloud/groupfolders

📁👩‍👩‍👧‍👦 Admin-configured folders shared by everyone in a group or team. https://github.com/nextcloud-releases/groupfolders

GitHub

332