CVE-2026-49875 Details
Description
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.
A vulnerability exists in Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes, specifically in versions 4.2.0 prior to 4.2.2 and all versions prior to 4.1.7. These classes create a SAXParserFactory that lacks essential JAXP hardening, allowing out-of-band external entity resolution. This flaw could be exploited to perform XML External Entity (XXE) attacks, potentially leading to the disclosure of internal files or causing a denial-of-service condition.
Users are advised to upgrade to Apache CXF versions 4.2.2 or 4.1.7, which address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2026:36839 | redhat-SADP | |
| https://access.redhat.com/errata/RHSA-2026:37390 | redhat-SADP | |
| https://access.redhat.com/security/cve/CVE-2026-49875 | redhat-SADP | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2488309 | redhat-SADP | |
| https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49875.json | redhat-SADP | |
| http://www.openwall.com/lists/oss-security/2026/06/11/2 | CVE | Mailing ListThird Party Advisory |
| https://lists.apache.org/thread/3kb9w5bg90xcp06fccoz9k3gpsvyy79o | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-611 | Improper Restriction of XML External Entity Reference | redhat-SADP |
| CWE-611 | Improper Restriction of XML External Entity Reference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| apache cxf | < 4.1.7 >= 4.2.0, < 4.2.2 |
CPE
Remediation
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Change History
12 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 7, 2026 | CVE Modified | [email protected] |
| Jul 28, 2026 | CVE Modified | redhat-SADP |
| Jul 15, 2026 | CVE Modified | redhat-SADP |
| Jul 10, 2026 | CVE Modified | redhat-SADP |
| Jul 9, 2026 | CVE Modified | redhat-SADP |
| Jun 30, 2026 | CVE Modified | redhat-SADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | Initial Analysis | [email protected] |
| Jun 12, 2026 | New CVE Received | [email protected] |
| Jun 12, 2026 | CVE Modified | CVE |