CVE-2026-45264
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Nextcloud: ACL Rename Permission Bypass in Team Folders Allows Unauthorized File Renames
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
security-advisories
- Vendor
- nextcloud
- Product
- security-advisories
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| >= 17.0.0, < 17.0.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 18.0.0, < 18.1.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 19.0.0, < 19.1.16 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 20.0.0, < 20.1.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| >= 21.0.0, < 21.0.4 | affected | Unavailable | Unavailable | Unavailable | None listed |