Unknown · Lucy-Xss-Filter · CVE-2026-23768
**Name of the Vulnerable Software and Affected Versions**
lucy-xss-filter versions prior to commit 7c1de6d
**Description**
The software contains a flaw that allows an attacker to trigger server-side HEAD requests to arbitrary URLs. This occurs when the ObjectSecurityListener or EmbedSecurityListener option is enabled and embed or object tags are used with a src attribute lacking a file extension.
**Recommendations**
Update to version 7c1de6d or later.