GHSA-4q98-wr72-h35w · Severity: medium · Ecosystem: maven — Improper input validation in Apache Santuario XML Security for Java
In version 2.0.3 Apache Santuario XML Security for Java, a caching mechanism was introduced to speed up creating new XML documents using a static pool of DocumentBuilders. However, if some untrusted code can register a malicious implementation with the thread context class loader first, then this implementation might be cached and re-used by Apache Santuario - XML Security for Java, leading to potential security flaws when validating signed documents, etc. The vulnerability affects Apache Santuario - XML Security for Java 2.0.x releases from 2.0.3 and all 2.1.x releases before 2.1.4.
Conclusion & alert: CVE-2019-12400 is rated Moderate Risk (40/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.78%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.59% | 0.78% | +0.19% |
| 2 | 2025-11-21 | 0.44% | 0.59% | +0.14% |
| 3 | 2025-11-18 | — | 0.44% | — |
Full EPSS history (17 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 1.9 | 2.0 | LOW |
|
3.4 | 2.9 | [email protected] |
GHSA-4q98-wr72-h35w · Severity: medium · Ecosystem: maven — Improper input validation in Apache Santuario XML Security for Java
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2019-12400 not yet assigned priority: Debian including 1 source packages (libxml-security-java), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2019-12400 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2019-12400 |
ubuntu
|
medium | CVE-2019-12400 medium priority: Ubuntu including 1 source packages (libxml-security-java), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 9, ignored 5, needed 2, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2019-12400 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | santuario_xml_security_for_java | >= 2.0.3, <= 2.0.10 | cpe:2.3:a:apache:santuario_xml_security_for_java:*:*:*:*:*:*:*:* |
| apache | santuario_xml_security_for_java | >= 2.1.0, < 2.1.4 | cpe:2.3:a:apache:santuario_xml_security_for_java:*:*:*:*:*:*:*:* |
| redhat | jboss_enterprise_application_platform | 7.2 | cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.2:*:*:*:*:*:*:* |
| oracle | weblogic_server | 12.2.1.4.0 | cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:* |
| oracle | weblogic_server | 14.1.1.0.0 | cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:* |