Apache CXF before 2.4.9, 2.5.x before 2.5.5, and 2.6.x before 2.6.2 allows remote attackers to execute unintended web-service operations by sending a header with a SOAP Action String that is inconsistent with the message body.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.