Vulnerability · Published Jul 6, 2026 · Assigned by GitHub_M

CVE-2025-53830Anti-Virus for ownCloud 10 is vulnerable to Server-Side Request Forgery (SSRF)

Critical 9.1

In plain English

A critical-severity server-side request forgery in Anti-Virus for ownCloud from owncloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical

Exploit odds (30 days)0.5%top 59.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
owncloud	Anti-Virus for ownCloud	< 1.2.3
owncloud	ownCloud 10	< 10.15.3

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

https://github.com/owncloud/security-advisories/security/advisories/GHSA-3wg4-mg27-hj4w x_refsource_CONFIRM