CVE-2025-53828

SharePoint for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)

HIGH
8.5
CVSS Score
Published: July 6, 2026 at 02:41 PM UTC
Updated: October 6, 2026 at 10:10 PM UTC
2 products affected across 1 vendorOwncloudSharePoint

Using SharePoint by owncloud?

Get instant alerts when new vulnerabilities affect SharePoint - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.15.3
Affected range stops below 10.15.3, so it looks safe — our inference, not a vendor statement
v < 0.4.1
Affected range stops below 0.4.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card