CTI · reviewed · 2026-09-27

Mini Shai-Hulud worm re-infects GitHub repositories via hijacked Actions

Full story & timeline

MITRE ATT&CK

• T1195 Supply Chain Compromise Initial Access
• T1677 Poisoned Pipeline Execution Execution
• T1528 Steal Application Access Token Credential Access
• T1041 Exfiltration Over C2 Channel Exfiltration
• T1485 Data Destruction Impact

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://socket.dev/blog/mini-shai-hulud-actions
• https://safedep.io/mini-shai-hulud-reinfection-github-repositories
• https://thehackernews.com/2026/09/compromised-github-actions-came-back.html
• https://www.bleepingcomputer.com/news/security/github-actions-re-enabled-with-mini-shai-hulud-payload-still-active/