medium4.3
CVE-2026-45264
Nextcloud is an open source content collaboration platform.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| 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 |
Versions were read from the advisory text. No structured product data has been published for this record yet.