CVE-2025-47791: Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to…

PriorityP428medium5.3CVSS 3.1

AVNACLPRNUINSUCNILAN

EPSS

0.31%

23.1th percentile

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected correctly, allowing to proxy requests to another server. The endpoint was removed in Nextcloud Server 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server 28.0.13, 29.0.10, and 30.0.3. No known workarounds are available.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
nextcloud	nextcloud_server	>= 28.0.0 < 28.0.13	28.0.13
nextcloud	nextcloud_server	>= 29.0.0 < 29.0.10	29.0.10
nextcloud	nextcloud_server	>= 30.0.0 < 30.0.3	30.0.3
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.