Server-Side Request Forgery Vulnerability in Anti-Virus for ownCloud
CVE-2025-53830

9.1CRITICAL

Key Information:

Vendor

Owncloud

Status
Anti-virus For Owncloud
Owncloud 10
Vendor
CVE Published:
6 July 2026

What is CVE-2025-53830?

Anti-Virus for ownCloud is designed to safeguard file storage and sharing within the ownCloud application. However, versions prior to 1.2.3 of the Anti-Virus for ownCloud application are susceptible to Server-Side Request Forgery (SSRF). This vulnerability could allow attackers to exploit the trusted local server environment, leading to unauthorized access or interactions with internal resources. Users are advised to upgrade to version 1.2.3 or later of the Anti-Virus for ownCloud application, as well as updating their ownCloud instance to version 10.15.3 or higher, to mitigate potential security risks.

Affected Version(s)

Anti-Virus for ownCloud < 1.2.3

ownCloud 10 < 10.15.3

References

https://github.com/owncloud/security-advisories/security/...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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