CVE-2026-44618 Apache CXF: XXE vulnerability in WS-Transfer functionality
Attackers can exploit insecure XML parsing in Apache CXF's WS-Transfer module to read sensitive data or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-44618?
CVE-2026-44618 is a medium-severity vulnerability in Apache Cxf, published on 22 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Insecure XML parser configuration in Apache CXF's WS-Transfer module may allow attackers to perform XXE attacks. Users are recommended to upgrade to versions 4.2.1, 4.1.6 or 3.6.11, which fix this issue.
Weakness: CWE-611
Which versions are affected by CVE-2026-44618?
6 open source packages ship an affected version, including org.apache.cxf:cxf-rt-ws-transfer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.cxf:cxf-rt-ws-transfer Maven | All versions | 3.6.11 |
org.apache.cxf:cxf-rt-ws-transfer Maven | All versions | 3.6.11 |
org.apache.cxf:cxf-rt-ws-transfer Maven | From 4.1.0 | 4.1.6 |
org.apache.cxf:cxf-rt-ws-transfer Maven | From 4.1.0 | 4.1.6 |
org.apache.cxf:cxf-rt-ws-transfer Maven | From 4.2.0 | 4.2.1 |
org.apache.cxf:cxf-rt-ws-transfer Maven | From 4.2.0 | 4.2.1 |
Products include Apache Cxf.
How do I fix CVE-2026-44618?
Upgrade org.apache.cxf:cxf-rt-ws-transfer to a fixed version for your release line: 3.6.11, 4.1.6 or 4.2.1.
Is CVE-2026-44618 being exploited?
There is no known exploitation of CVE-2026-44618 in the wild and no public exploit code.
Other vulnerabilities in Apache Cxf
- CVE-2012-2379 XML Signature/Encryption Not Validated in Apache CXF
- CVE-2026-66909 Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage
- CVE-2026-68079 Apache CXF: DefaultEncryptingCodeDataProvider allows unlimited authorization code replay
- CVE-2026-50628 Apache CXF: OAuth2: Inverted IP Binding Check Defeats Security Control
- CVE-2025-48913 Apache CXF: Untrusted JMS configuration can lead to RCE
Sources
Also known as GHSA-vmm5-fjgx-2jhp.