CVE-2025-53829
High
Description
ownCloud is a file storage, synchronization, and sharing application. In ownCloud 10 prior to version 10.15.3, an attacker with administrative privileges can exploit a path traversal vulnerability in the system to execute arbitrary code. Upgrade ownCloud 10 to version 10.15.3 or later to receive a patch.
SeverityHigh
CVSS8.0
Exploit probability—
Product
ownCloud 10
PublishedJul 6, 2026
First seenJul 6, 2026
Weakness typeCWE-23CWE-23
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| owncloud ownCloud 10 | < 10.15.3 | — |
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