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.
Metrics
Affected Vendors & Products
References
History
Mon, 01 Jun 2026 18:30:00 +0000
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ssvc
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Mon, 01 Jun 2026 17:00:00 +0000
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| 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. | |
| Title | Nextcloud: ACL Rename Permission Bypass in Team Folders Allows Unauthorized File Renames | |
| Weaknesses | CWE-284 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-01T17:47:41.930Z
Reserved: 2026-05-11T18:41:13.156Z
Link: CVE-2026-45264
Updated: 2026-06-01T17:47:38.515Z
Status : Deferred
Published: 2026-06-01T17:17:09.690
Modified: 2026-06-01T18:14:29.087
Link: CVE-2026-45264
No data.
OpenCVE Enrichment
Updated: 2026-06-01T18:45:34Z