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CVE-2025-53829

8.0 · HIGH

ownCloud is a file storage, synchronization, and sharing application.

Published Jul 6, 2026CWE-23EPSS 0.51%

Overview

CVE-2025-53829 is a high-severity vulnerability. It was published on July 6, 2026 and has a CVSS 3.1 base score of 8.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/owncloud/security-advisories/security/advisories/GHSA-4439-4wxm-c9px

How CyberStrike helps

Frequently asked questions

What is CVE-2025-53829?

CVE-2025-53829 is a high-severity vulnerability. It was published on July 6, 2026 and has a CVSS 3.1 base score of 8.0 (HIGH).

How severe is CVE-2025-53829?

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-53829?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-53829?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-53829 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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