Vulnerability · Published May 22, 2026 · Assigned by apache
CVE-2026-44618Apache CXF: XXE vulnerability in WS-Transfer functionality
Medium 5.3
In plain English
A medium-severity XML external entity in Apache CXF from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.apache.cxf:cxf-rt-ws-transfer | 4.2.1 | GHSA-vmm5-fjgx-2jhp |
| Maven | org.apache.cxf:cxf-rt-ws-transfer | 4.1.6 | GHSA-vmm5-fjgx-2jhp |
| Maven | org.apache.cxf:cxf-rt-ws-transfer | 3.6.11 | GHSA-vmm5-fjgx-2jhp |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache CXF | 4.2.0 – before 4.2.14.0.0 – before 4.1.60 – before 3.6.11 |
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N