CVE-2026-44618: CWE-611 Improper Restriction of XML External Entity Reference in Apache Software Foundation Apache CXF
CVE-2026-44618 is a medium severity vulnerability in Apache CXF's WS-Transfer module caused by insecure XML parser configuration that allows XML External Entity (XXE) attacks. This vulnerability affects Apache CXF versions 4.2.0 and 4.0.0. The issue is addressed in Apache CXF versions 4.2.1, 4.1.
AI Analysis
Technical Summary
This vulnerability arises from improper restriction of XML External Entity references (CWE-611) in the Apache CXF WS-Transfer module. An insecure XML parser configuration can be exploited by attackers to perform XXE attacks, potentially leading to information disclosure. The vulnerability is identified as CVE-2026-44618 with a CVSS 3.1 base score of 5.3 (medium severity), indicating network attack vector with low complexity and no privileges or user interaction required. The Apache Software Foundation has released fixed versions 4.2.1, 4.1.6, and 3.6.11 to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability may allow an attacker to read local files or internal resources accessible to the XML parser, leading to limited confidentiality impact. There is no indication of integrity or availability impact. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Users should upgrade affected Apache CXF versions 4.2.0 and 4.0.0 to the fixed versions 4.2.1, 4.1.6, or 3.6.11 as recommended by the vendor. Patch status is confirmed by the vendor advisory stating these versions fix the issue. No additional mitigations are specified.
CVE-2026-44618: CWE-611 Improper Restriction of XML External Entity Reference in Apache Software Foundation Apache CXF
Description
CVE-2026-44618 is a medium severity vulnerability in Apache CXF's WS-Transfer module caused by insecure XML parser configuration that allows XML External Entity (XXE) attacks. This vulnerability affects Apache CXF versions 4.2.0 and 4.0.0. The issue is addressed in Apache CXF versions 4.2.1, 4.1.
CVSS v3.1
Score 5.3medium
Affected software
pkg:maven/org.apache.cxf/cxf-coreRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper restriction of XML External Entity references (CWE-611) in the Apache CXF WS-Transfer module. An insecure XML parser configuration can be exploited by attackers to perform XXE attacks, potentially leading to information disclosure. The vulnerability is identified as CVE-2026-44618 with a CVSS 3.1 base score of 5.3 (medium severity), indicating network attack vector with low complexity and no privileges or user interaction required. The Apache Software Foundation has released fixed versions 4.2.1, 4.1.6, and 3.6.11 to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability may allow an attacker to read local files or internal resources accessible to the XML parser, leading to limited confidentiality impact. There is no indication of integrity or availability impact. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Users should upgrade affected Apache CXF versions 4.2.0 and 4.0.0 to the fixed versions 4.2.1, 4.1.6, or 3.6.11 as recommended by the vendor. Patch status is confirmed by the vendor advisory stating these versions fix the issue. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-05-07T09:19:11.328Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a104fc0e1370fbb48f48998
Added to database: 05/22/2026, 12:44:48 UTC
Last enriched: 05/29/2026, 20:48:56 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 118
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