XML External Entity injection in Apache CXF - CVE-2026-49875
Published: August 25, 2026
Vulnerability identifier: #VU145222
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49875
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper restriction of XML external entity reference in W3CMultiSchemaFactory and EndpointReferenceUtils when parsing XML input. A remote attacker can supply crafted XML containing external entity references to disclose sensitive information.
The issue enables out-of-band external entity resolution.
Affected software
Apache CXF
Red Hat Camel for Spring Boot
Red Hat Camel for Spring Boot
How to mitigate CVE-2026-49875
Install security update from vendor's website.
Apache CXF - addressed in versions 4.1.7, 4.2.2
Red Hat Camel for Spring Boot - update to 4.18
Red Hat Camel for Spring Boot - update to 4.18