What is CVE-2025-53828?

CVE-2025-53828 is a high-severity vulnerability in Owncloud 10, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-07-06.

How severe is CVE-2025-53828?

High severity. CVSS v3 base score is 8.5 out of 10.

SSRF in Owncloud 10

CVE-2025-53828

SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sharing application ownCloud Classic. In SharePoint for ownCloud prior to version 0.4.1, which corresponds to ownCloud 10 prior to 1…

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Owncloud 10 — versions < 10.15.3
Owncloud Sharepoint — versions < 0.4.1

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2025-53828?: CVE-2025-53828 is a high-severity vulnerability in Owncloud 10, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-07-06.
How severe is CVE-2025-53828?: High severity. CVSS v3 base score is 8.5 out of 10.