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CVE-2026-45264

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CVE-2026-45264

Published: Jun 1, 2026

Modified: Jun 1, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

VendorProductVersions

nextcloud

security-advisories

affected
>= 17.0.0, < 17.0.15
affected
>= 18.0.0, < 18.1.12
affected
>= 19.0.0, < 19.1.16
affected
>= 20.0.0, < 20.1.11
affected
>= 21.0.0, < 21.0.4

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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