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TI-2026-36773 Aliases CVE-2026-49875GHSA-xw5h-cmh3-8j6j

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

Priority MEDIUM 43CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 5 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

Apache 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 or 3.6.12, which fix this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00533 45th percentileScored 2026-11-07
Fix Partial Apache CXF (Apache Software Foundation): 4.2.2, 4.1.7, 3.6.12org.apache.cxf:cxf-core (Maven): 4.2.2, 4.1.7, 3.6.12Red Hat: 6 advisoriesRed Hat: 6 fixed, 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache CXF4.2.0 to before 4.2.2; 4.0.0 to before 4.1.7; before 3.6.124.2.2, 4.1.7, 3.6.12Patch availableCNA
—org.apache.cxf:cxf-core (Maven)4.2.0 to before 4.2.24.2.2Patch availableGHSA-xw5h-cmh3-8j6j
—org.apache.cxf:cxf-core (Maven)4.0.0 to before 4.1.74.1.7Patch availableGHSA-xw5h-cmh3-8j6j
—org.apache.cxf:cxf-core (Maven)before 3.6.123.6.12Patch availableGHSA-xw5h-cmh3-8j6j
  • Apache CXF VendorApache Affected 4.2.0 to before 4.2.2; 4.0.0 to before 4.1.7; before 3.6.12 Fixed in 4.2.2, 4.1.7, 3.6.12 Patch available CNA
  • org.apache.cxf:cxf-core (Maven) Vendor— Affected 4.2.0 to before 4.2.2 Fixed in 4.2.2 Patch available GHSA-xw5h-cmh3-8j6j
  • org.apache.cxf:cxf-core (Maven) Vendor— Affected 4.0.0 to before 4.1.7 Fixed in 4.1.7 Patch available GHSA-xw5h-cmh3-8j6j
  • org.apache.cxf:cxf-core (Maven) Vendor— Affected before 3.6.12 Fixed in 3.6.12 Patch available GHSA-xw5h-cmh3-8j6j

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:*before 3.6.12; 4.0.0 to before 4.1.7; 4.2.0 to before 4.2.2VulnerableApache
cpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:*8.1 to before 8.1.8VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*10.0Running onRed Hat
cpe:2.3:a:redhat:build_of_apache_camel:*:*:*:*:*:quarkus:*:*before 3.33.2VulnerableRed Hat
cpe:2.3:a:redhat:build_of_apache_camel:*:*:*:*:*:spring_boot:*:*before 4.18.1VulnerableRed Hat
cpe:2.3:a:redhat:build_of_apache_camel:3.33.2:-:*:*:*:quarkus:*:*3.33.2VulnerableRed Hat
cpe:2.3:a:redhat:build_of_apache_camel:3.33.2:update1:*:*:*:quarkus:*:*3.33.2 update1VulnerableRed Hat
cpe:2.3:a:redhat:build_of_apache_camel:4.18.1:-:*:*:*:spring_boot:*:*4.18.1VulnerableRed Hat
  • cpe:2.3:a:apache:cxf:*:*:*:*:*:*:*:* Versions before 3.6.12; 4.0.0 to before 4.1.7; 4.2.0 to before 4.2.2 Vulnerable ·Apache
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:*:*:*:*:*:*:*:* Versions 8.1 to before 8.1.8 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Running on ·Red Hat
  • cpe:2.3:a:redhat:build_of_apache_camel:*:*:*:*:*:quarkus:*:* Versions before 3.33.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:build_of_apache_camel:*:*:*:*:*:spring_boot:*:* Versions before 4.18.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:build_of_apache_camel:3.33.2:-:*:*:*:quarkus:*:* Versions 3.33.2 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:build_of_apache_camel:3.33.2:update1:*:*:*:quarkus:*:* Versions 3.33.2 update1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:build_of_apache_camel:4.18.1:-:*:*:*:spring_boot:*:* Versions 4.18.1 Vulnerable ·Red Hat
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:redhat:fuse:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableRed Hat
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:a:redhat:jboss_web_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:redhat:fuse:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:jboss_web_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

  • Fix · CNA Apache CXF (Apache Software Foundation) Fixed in 4.2.2, 4.1.7, 3.6.12
  • Fix · GHSA-xw5h-cmh3-8j6j org.apache.cxf:cxf-core (Maven) Fixed in 4.2.2 Advisory →
  • Fix · GHSA-xw5h-cmh3-8j6j org.apache.cxf:cxf-core (Maven) Fixed in 4.1.7 Advisory →
  • Fix · GHSA-xw5h-cmh3-8j6j org.apache.cxf:cxf-core (Maven) Fixed in 3.6.12 Advisory →

Red Hat 6 advisories

  • RHSA-2026:70277 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss Enterprise Application Platform 8.1.8.GA com.fasterxml.jackson.core.jackson-core-2.18.9.redhat-00003.jar, com.fasterxml.jackson.core.jackson-databind-2.18.9.redhat-00003.jar, io.netty.netty-codec-4.1.136.Final-redhat-00001.jar +17
  • RHSA-2026:70230 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss EAP 8.1 for RHEL 10 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el10eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el10eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el10eap +47
  • RHSA-2026:70228 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss EAP 8.1 for RHEL 8 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el8eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el8eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el8eap +47
Show 3 more Red Hat advisories
  • RHSA-2026:70229 Released 2026-09-22 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 8.1.8 security update
    • Red Hat JBoss EAP 8.1 for RHEL 9 eap8-activemq-artemis-2.40.0-8.redhat_00024.1.el9eap, eap8-activemq-artemis-cli-2.40.0-8.redhat_00024.1.el9eap, eap8-activemq-artemis-commons-2.40.0-8.redhat_00024.1.el9eap +47
  • RHSA-2026:37390 Released 2026-07-09 · Red Hat rating Important
    Red Hat Build of Apache Camel 4.18.1.P1 for Spring Boot release.
    • Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16
  • RHSA-2026:36839 Released 2026-07-08 · Red Hat rating Important
    Red Hat Build of Apache Camel 4.18 for Quarkus 3.33 update is now available (RHBQ 3.33.2.SP2)
    • Red Hat Build of Apache Camel 3.33.2.SP2 com.fasterxml.jackson.core.jackson-databind-2.21.4.redhat-00002.jar, io.micrometer.micrometer-core-1.16.6.redhat-00001.jar, org.apache.cxf.cxf-core-4.1.7.rhbac-redhat-00003.jar

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache CXF 3.6.12, 4.1.7, 4.2.2

    11 records Highest priority Priority MEDIUM 3 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2026-37318 Apache CXF: OAuth2: Inverted IP Binding Check Defeats Security ControlPriority MEDIUM 50
    • TI-2026-37317 Apache CXF: OAuth2: Missing JWT Audience and Issuer Validation in Access Token ValidatorPriority MEDIUM 48
    • TI-2026-37334 Apache CXF: No restriction on attachment headers per messagePriority LOW 39
    Show all 11 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Fuse 7AffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform 7AffectedNo fix yet: Fix deferred
Red Hat JBoss Web Server 5AffectedNo fix yet: Fix deferred
Red Hat Single Sign-On 7AffectedNo fix yet: Fix deferred
Red Hat build of Apache Camel 4 for Quarkus 3AffectedNo fix yet
Red Hat Build of Apache Camel 3.33.2.SP2Fixed RHSA-2026:36839
Red Hat JBoss EAP 8.1 for RHEL 10Fixed RHSA-2026:70230
Red Hat JBoss EAP 8.1 for RHEL 8Fixed RHSA-2026:70228
Red Hat JBoss EAP 8.1 for RHEL 9Fixed RHSA-2026:70229
Red Hat JBoss Enterprise Application Platform 8.1.8.GAFixed RHSA-2026:70277
Red Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16Fixed RHSA-2026:37390
Not affected: 3 products
  • Red Hat Build of Apache Camel 3.33.2.SP2
  • Red Hat JBoss Enterprise Application Platform 8.1.8.GA
  • Red Hat JBoss Enterprise Application Platform Expansion Pack

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-49875
  2. 2026-10-03 Alias added: GHSA-xw5h-cmh3-8j6j
  3. 2026-10-09 Fix available: RHSA-2026:36839 · Red Hat
  4. 2026-10-09 Fix available: RHSA-2026:70277 · Red Hat
  5. 2026-10-13 Fix available: Red Hat Build of Apache Camel 4.18 for Quarkus 3.33, Red Hat JBoss Enterprise Application Platform 8.1 · Red Hat
  6. 2026-10-18 Fix available: Red Hat Build of Apache Camel 3.33.2.SP2 · Red Hat
  7. 2026-10-21 Fix available: Red Hat JBoss Enterprise Application Platform 8.1.8.GA · Red Hat
  8. 2026-10-25 EPSS moved to the below the 50th percentile

References

Advisory 8

Other 2

  • TI-2019-09264 Incorrect authorization in Apache CXF CVSS 3.1CRITICAL 9.8
  • TI-2020-10930 Apache CXF Reflected XSS in the services listing page via the styleSheetPath CVSS 3.1MEDIUM 6.1
  • TI-2010-01990 Apache CXF 2.0.x before 2.0.13, 2.1.x before 2.1.10, and 2.2.x before 2.2.9, as used in… CVSS 3.1CRITICAL 9.8
  • TI-2022-22907 Apache CXF SSRF Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-47481 Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage CVSS 3.1CRITICAL 9.8
  • TI-2025-31053 Apache CXF: Untrusted JMS configuration can lead to RCE CVSS 3.1CRITICAL 9.8
See all 79 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences