CVE-2025-12799

Published: Jul 7, 2026Modified: Jul 9, 2026

6.5

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

Exploitability: 2.2 / Impact: 4.2

Source: secalert@redhat.com (Secondary)

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.

Related CWEs

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (6)

https://access.redhat.com/errata/RHSA-2026:36342

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:36343

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:36344

Source: secalert@redhat.com

https://access.redhat.com/errata/RHSA-2026:36345

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2025-12799

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=2413071

Source: secalert@redhat.com

Timeline

No history available yet.