Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-49875
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-12 10:16:22 UTC
Updated2026-07-10 12:17:07 UTC
DescriptionApache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.004170000 probability, percentile 0.332620000 (date 2026-06-18)

Problem Types: CWE-611 | CWE-611 CWE-611 Improper Restriction of XML External Entity Reference | CWE-611 Improper Restriction of XML External Entity Reference

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1ADPCVSS7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.10b0ca135-0b70-47e7-9f44-1890c2a1c46cSecondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Cxf All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache CXF affected 4.2.0 4.2.2 semver Not specified
CNA Apache Software Foundation Apache CXF affected 4.1.7 semver Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4.18 For Quarkus 3.33 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4.18.1.P1 For Spring Boot 3.5.16 Not specified Not specified
ADP Red Hat Red Hat Build Of Apache Camel 4 For Quarkus 3 Not specified Not specified
ADP Red Hat Red Hat Fuse 7 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 7 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform 8 Not specified Not specified
ADP Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack Not specified Not specified
ADP Red Hat Red Hat JBoss Web Server 5 Not specified Not specified
ADP Red Hat Red Hat Single Sign-On 7 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2026:36839 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
access.redhat.com/security/cve/CVE-2026-49875 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
bugzilla.redhat.com/show_bug.cgi 0b0ca135-0b70-47e7-9f44-1890c2a1c46c bugzilla.redhat.com
www.openwall.com/lists/oss-security/2026/06/11/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
access.redhat.com/errata/RHSA-2026:37390 0b0ca135-0b70-47e7-9f44-1890c2a1c46c access.redhat.com
security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json 0b0ca135-0b70-47e7-9f44-1890c2a1c46c security.access.redhat.com
lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o [email protected] lists.apache.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Venkatraman Kumar (r3dw0lfsec), Securin (en)

Additional Advisory Data

SourceTimeEvent
ADP2026-06-12T10:01:23.698ZReported to Red Hat.
ADP2026-06-12T08:54:50.103ZMade public.

Solutions

ADP: RHSA-2026:36839: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33

ADP: RHSA-2026:37390: Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16

Workarounds

ADP: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report