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Support Article

Unable to disable XML Entity Expansion while parsing XML payload

SA-62802

Summary



The requirement is to have configuration options to disable or limit XML Entity Expansion while parsing XML payloads.


Error Messages



Not Applicable.


Steps to Reproduce



Unknown.


Root Cause



Pega Service REST XML parser logic processes the DOCTYPE tags inside the request XML which must be disallowed to prevent XXE attacks.


Resolution

Apply HFix-46153.



 

Suggest Edit

Published August 25, 2018 - Updated October 8, 2020

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