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Support Article

Multiple CSRF alerts on running out-of-the-box activities



Multiple Cross-Site Request Forgery (CSRF) alerts occur in Pega Predictive Diagnostic Cloud (PDC) when running out-of-the-box activities.

Error Messages

Not Applicable.

Steps to Reproduce


Root Cause

A defect or configuration issue in the operating environment. The false positive for CSRF attack detected was blocked : URLAccessDetail CSRFAttack Invalid harness ID.


Perform the following local-change:
  1. Create a dynamic system setting with the following Ruleset/Key/Value:
    Owning Ruleset: Pega-Engine
    Key / Setting Purpose:  prconfig/security/urlaccessmode/default
    Value: allow
  2. Restart the JVM


Published July 23, 2018 - Updated October 8, 2020

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