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Vulnerability record · CVE-2025-53829 · published 6 July 2026

CVE-2025-53829: Relative path traversal vulnerability

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.

8.0 CVSS 3.1 High EPSS 0.51% · top 58.8% CWE-23 · Relative path traversal Deferred
8.0CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
8 Jul 2026Last modified by NVD

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.

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

References

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

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Source: NIST National Vulnerability Database (record CVE-2025-53829), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.