Vulnerability Description
There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fix this issue by imposing a maximum default of 500 attachments per message.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Cxf | < 4.1.7 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/24zb7cqcvykhwm0j797dmdq25s61mj93Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/11/12Mailing ListThird Party Advisory
FAQ
What is CVE-2026-50645?
CVE-2026-50645 is a vulnerability with a CVSS score of 7.5 (HIGH). There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service...
How severe is CVE-2026-50645?
CVE-2026-50645 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-50645?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Cxf.