CVE-2025-12799

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CVSS 3.1

6.5 medium

EPSS

<1%p34

Published

Jul 7, 2026 (Jul 7, 2026)

Modified

Jul 29, 2026

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.

Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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