CVE-2026-45279

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

4.4 / 10

Vector String

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

Vulnerability Description

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.14, and 32.0.0 to before 32.0.4, if {lang} is used in the template directory config value, non-admin users can in some cases copy arbitrary files (depending on unix permissions) into their own Nextcloud directory via a path traversal. It is recommended that the Nextcloud Server is upgraded to 32.0.4, 31.0.14. It is recommended that the Nextcloud Enterprise Server is upgraded to 32.0.4, 31.0.14, 30.0.17.7, 29.0.17.12, 28.0.14.15

Vulnerability Details

Published Date

June 01, 2026

Last Modified

June 01, 2026

CWE ID

CWE-22

Source

NVD

Vendor

nextcloud

Product

security-advisories

External References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j33j-qph5-4wch
https://github.com/nextcloud/server/pull/57414/files
https://hackerone.com/reports/3468140

CVE-2026-45279

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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