Security Advisory

CVE-2025-12799

6.5
MEDIUM

Vulnerability Description

A flaw was found in Jastow. Jastow is vulnerable to Cross-Site Scripting (XSS) attack. If using a set of combined configuration to allow unescaped characters in URL with embedded Undertow and Jastow, a server might be vulnerable to improper input handling.
Published Date July 7, 2026
Official Source NIST NVD Advisory