CVE-2025-12799

medium Red Hat
CVSS v3 Base Score
6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
High
Availability
None
Published: July 7, 2026 (2 days ago)
Last Modified: July 7, 2026
Vendor: Red Hat
Fix Available: ✓ Yes
Source: REDHAT

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.

CWE

CWE-79

Affected Products

Red Hat JBoss Enterprise Application Platform 7Red Hat JBoss Enterprise Application Platform 8Red Hat JBoss Enterprise Application Platform Expansion PackRed Hat Single Sign-On 7Red Hat JBoss Enterprise Application Platform 8.1Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

Fix Status

✅ Fix Available

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov