A misconfigured AWS CodeBuild webhook allowed bypass of actor ID checks, risking takeover of four AWS GitHub repositories before fixes in Sep 2025.

A critical misconfiguration in AWS CodeBuild has allowed attackers to seize control of core AWS GitHub repositories, including the JavaScript SDK that underpins the AWS Console.

Wiz Research discovered and responsibly disclosed a critical vulnerability in AWS CodeBuild that could have led to a massive platform-wide compromise.

Wiz researchers investigated and found the core of the flaw, a threat actor ID bypass due to unanchored regexes, and notified AWS. Within 48 hours, that hole was plugged, AWS said in a statement ...