Abusing the federated share endpoint, an attacker can write arbitrary rows into the oc_share_external database table. These rows persist indefinitely — there is no automatic cleanup mechanism. Three distinct denial-of-service conditions follow from this write…
CVE-2026-45279Nextcloud: Limited path traversal via template API if using `{lang}` in config
Beschreibung
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
Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.
Betroffene Produkte und Versionen
| Hersteller | Produkt | Versionen | |
|---|---|---|---|
| nextcloud | nextcloud server | 31.0.0 – < 31.0.14 | |
| nextcloud | security-advisories | >= 31.0.0, < 31.0.14, >= 32.0.0, < 32.0.4 |
Referenzen und Patches
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j33j-qph5-4wch MitigationVendor Advisory
- https://github.com/nextcloud/server/pull/57414/files Issue TrackingPatch
- https://hackerone.com/reports/3468140
CPE-Treffer (NVD) (7)
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 31.0.0 < 31.0.14cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*≥ 32.0.0 < 32.0.4cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 28.0.0 < 28.0.14.15cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 29.0.0 < 29.0.17.12cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 30.0.0 < 30.0.17.7cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 31.0.0 < 31.0.14cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*≥ 32.0.0 < 32.0.4