Article - CS408239

PTC License Server (FLEXnet Publisher) 11.19.1.0 security vulnerability and incorrect reporting of licenses used in Creo

Modified: 16-Jul-2026   


Applies To

  • Creo Parametric 10.0 to 11.0
  • Any Creo Parametric release using PTC License Server (FLEXnet Publisher) version prior to 11.19.4.0

Description

  • PTC License Server (FLEXnet Publisher) version 11.19.1.0 incorrectly reporting licenses used
  • Ptcstatus and/or license server log file not showing accurate concurrent, or daily license usage
  • Security vulnerabilities identified in FLEXnet Publisher 11.19.1.0
  • The ptcstatus.bat query shows that the license is idle
  • However, when trying to start Creo, the license cannot be obtained with the debug.log information: 
    • License number of users already reached
  • Unable to download Flexnet 11.19.6.0 any more
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