CVE-2025-12799

Impact

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.

Affected packages

This record carries no package version data, so it cannot be matched against a dependency list automatically. Read the advisory and compare your version by hand.

Weakness classification

References

• NVD record
• CVE.org record
• 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