CVE-2025-53830 Anti-Virus for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)
Attackers can exploit SSRF in the ownCloud anti-virus plugin to access internal resources or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53830?
CVE-2025-53830 is a critical server-side request forgery vulnerability in Anti-Virus for ownCloud, published on 6 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Anti-Virus for ownCloud is an anti-virus application for file storage, synchronization, and sharing application ownCloud. Versions of Anti-Virus for ownCloud before 1.2.3 are vulnerable to Server-Side Request Forgery (SSRF). This corresponds to versions of ownCloud 10 prior to 10.15.3. Upgrade ownCloud 10 to version 10.15.3 or later or upgrade Anti-Virus for ownCloud 10 to version 1.2.3 or later to receive a fix.
Weakness: CWE-918
Which versions are affected by CVE-2025-53830?
How do I fix CVE-2025-53830?
No fix has been published for CVE-2025-53830 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-53830 being exploited?
There is no known exploitation of CVE-2025-53830 in the wild and no public exploit code.