Critical Security Bulletin - August 2026 - Chef Automate Security Vulnerability

A critical security vulnerability has been identified in Chef Automate. Please see the following info for the impact and affected and fixed versions. Impact: Under specific conditions, the issue may result in elevated access to protected Chef Automate functionality. Potential impact may include unauthorized access to internal Chef Automate data or configuration, identity and access-management functions in the application, and/or unauthorized access to protected APIs with the ability to perform DevOps actions against managed infrastructure. Affected version: Chef Automate 4.13.516 Fixed version: Chef Automate 4.13.520 Keywords: Chef Automate security vulnerability, Chef Automate critical security bulletin, Chef Automate upgrade, Chef Automate remediation

  • Sep 10, 2026
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