Post by Harry Sintonen

15h

The fallout from the malicious tj-actions/changed-files is still being investigated. It is fortunate that this malicious commit was identified fairly quickly, as further compromise of major OSS components and projects could lead to a kind of chain reaction.

- https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
- https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/

#infosec #cybersecurity

Edited 15h ago

1 0 1 View Post & Replies See Original

15h

@harrysintonen the second and third order impacts of this could get interesting

1 0 0 View Post & Replies See Original

15h

@jerry It largely depends on how well the initial impact is cleaned up. I'm hoping we won't see a ton of backdoors in various components next.

Edited 13h ago

0 0 0 View Post & Replies See Original