PT-2026-55938 · Owncloud · Owncloud Core

Published 2026-07-06 · Updated 2026-07-06 · CVE-2025-53827

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions ownCloud Core versions prior to 10.15.3

Description The Updater component of the server-side file storage, synchronization, and sharing application contains an exposed dangerous method or function. Attackers with administrative privileges can leverage this functionality to execute arbitrary code.

Recommendations Update to version 10.15.3.

Fix

Weakness Enumeration

CWE-749

Related Identifiers

CVE-2025-53827

Affected Products

Owncloud Core

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-53827 · Security Note
• https://github.com/owncloud/security-advisories/security/advisories/GHSA-hvcx-ph66-mmvw · Note
• https://twitter.com/infoflowcloud/status/2074182003503534529 · Twitter Post
• https://twitter.com/CVEnew/status/2074180691366150379 · Twitter Post