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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://access.redhat.com/errata/RHSA-2026:36342
- https://access.redhat.com/errata/RHSA-2026:36343
- https://access.redhat.com/errata/RHSA-2026:36344
- https://access.redhat.com/errata/RHSA-2026:36345
- https://access.redhat.com/security/cve/CVE-2025-12799
- https://bugzilla.redhat.com/show_bug.cgi?id=2413071
FAQ
What is CVE-2025-12799?
CVE-2025-12799 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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, ...
How severe is CVE-2025-12799?
CVE-2025-12799 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-12799?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.