Path Traversal Vulnerability in ownCloud File Storage Application
CVE-2025-53829

8HIGH

Key Information:

Vendor

Owncloud

Status
Owncloud 10
Vendor
CVE Published:
6 July 2026

What is CVE-2025-53829?

A path traversal vulnerability in ownCloud affects versions prior to 10.15.3, enabling attackers with administrative privileges to exploit the system and execute arbitrary code. This security flaw could lead to unauthorized access to files on the server, highlighting the importance of upgrading to version 10.15.3 or later to ensure the application's integrity and security.

Affected Version(s)

ownCloud 10 < 10.15.3

References

https://github.com/owncloud/security-advisories/security/...
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CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.