GCP Cloud Composer bug let attackers elevate access via malicious PyPI packages

Cybersecurity researchers have detailed a now-patched vulnerability in Google Cloud Platform (GCP) that could have enabled an attacker to elevate their privileges in the Cloud Composer workflow orchestration service that’s based on Apache Airflow.

“This vulnerability lets attackers with edit permissions in Cloud Composer to escalate their access to the default Cloud Build service account, which has high-level permissions across GCP services like Cloud Build itself, Cloud Storage, and Artifact Registry,” Liv Matan, senior security researcher at Tenable, said in a report shared with The Hacker News.

Read more at The Hacker News