VulnerabilityDeferred

CVE-2026-45264

Nextcloud is an open source content collaboration platform.

MEDIUM 4.3EPSS 0.23%

Does this matter?

Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.23% probability · 14th percentile
CISA KEV: Not listed
Weakness: CWE-284
Source: security-advisories@github.com

References

https://github.com/nextcloud/groupfolders/pull/4361
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wx2x-822r-rvmf
https://hackerone.com/reports/3540673

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.