Apache CXF's WS-Transfer module has an insecure XML parser configuration
Date: 2026-05
Affected: maven/org.apache.cxf:cxf-rt-ws-transfer, maven/org.apache.cxf:cxf-rt-ws-transfer, maven/org.apache.cxf:cxf-rt-ws-transfer
Attack vector: other
Category: vulnerability-disclosure
Severity: Medium
CVE: CVE-2026-44618
CWE: CWE-611
CVSS: 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Insecure XML parser configuration in Apache CXF's WS-Transfer module may allow attackers to perform XXE attacks. Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue.


Mitigations:

Architectural layers (MAESTRO):