CVE-2025-53829 | ownCloud is a file storage, synchronization, and sharing app… | CVSS 8.0 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.

Metadata

CVE ID: CVE-2025-53829
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2025-07-09 14:14 UTC
Published: 2026-07-06 14:46 UTC
Last updated: 2026-07-06 15:41 UTC
Primary CWE: CWE-23
CWE-23: Relative Path Traversal
Vendor / Product: owncloud / ownCloud 10
Sources: cve.org · NVD

Severity & Metrics

8.0 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
owncloud	ownCloud 10	—	< 10.15.3

Weakness (CWE)

CWE	Source	Description
CWE-23	cna	CWE-23: Relative Path Traversal

CVSS scores (1)

Score	Severity	Version	Source	Vector
8.0	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References (1)

https://github.com/owncloud/security-advisories/security/advisories/GHSA-4439-4wxm-c9px https://github.com/owncloud/security-advisories/security/advisories/GHSA-4439-4wxm-c9px