6.5Media
CVE-2026-45275Nextcloud: Authorization bypass in approval feature allows unauthorized file sharing with approvers
Descripción
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, a privilege escalation vulnerability exists in the Approval app that allows a user without sharing permissions to force the system to share a file with approvers. This results in an authorization bypass and privilege escalation, allowing unauthorized distribution of restricted files. This issue has been patched in version 2.7.2.
Debilidad (CWE):
CWE-285
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| nextcloud | approval | < 2.7.2 | |
| nextcloud | security-advisories | < 2.7.2 |
Referencias y parches
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v8q8-w6c3-3gv9 MitigationVendor Advisory
- https://github.com/nextcloud/approval/pull/392 Issue TrackingPatch
- https://hackerone.com/reports/3593780
Coincidencias CPE (NVD) (1)
cpe:2.3:a:nextcloud:approval:*:*:*:*:*:nextcloud:*:*< 2.7.2