On June 18, 2019, at 3:04 UTC we were notified by an independent security researcher that our GCP-based machine executors had insufficient network isolation, and could possibly allow network connection cross-talk between different customers’ executors outside of expected ports. We do not have any in…

June 2019 Machine Security Incident

Topic		Replies	Views
Postmortem: May 21, 2021 - Delay in starting Docker Jobs. Machine & remote Docker environments blocked Announcements incident , machine-executor , remote-docker	0	1470	June 3, 2021
Upgrading the underlying operating system for the Docker executor Announcements docker	13	2214	April 2, 2019
Linux Machine Executor - 2024 Q1 Update CircleCI Images machine-images , linux-image , machine-executor , ubuntu	1	971	January 16, 2024
[Updated] Authenticate with Docker to avoid impact of Nov. 1st rate limits Announcements docker	58	17979	November 8, 2020
Linux Machine Executor - 2024 Q2 Update (Including CUDA) CircleCI Images machine-images , linux-image , machine-executor , ubuntu , cuda	6	497	April 25, 2024