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Compromised GitHub Actions Came Back Online and Resumed Executing Mini Shai-Hulu

BACKGROUND
1 SIGNALFIRST DETECTED 25 September 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
26 Sept
GitHub Actions re-enabled with Mini Shai-Hulud payload still active

Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still

REPORT · WHAT · BleepingComputerOPEN STORY
19 May
Popular GitHub Action Tags Redirected to Imposter Commit to Steal CI/CD Credentials

In yet another software supply chain attack, threat actors have compromised the popular GitHub Actions workflow, actions-cool/issues-helper, to run malicious code that harvests

REPORT · WHAT · The Hacker NewsOPEN STORY
22 May
Megalodon GitHub Attack Targets 5,561 Repos with Malicious CI/CD Workflows

Cybersecurity researchers have disclosed details of a new automated campaign called Megalodon that has pushed 5,718 malicious commits to 5,561 GitHub repositories within a

REPORT · HOW · The Hacker NewsOPEN STORY
26 Jun
Miasma Malware Targets npm Packages and GitHub Actions in Supply Chain Attack

Cybersecurity researchers have flagged yet another evolution of the supply chain attack linked to the Mini Shai-Hulud, Miasma, and Hades malware family that has compromised a new

REPORT · WHAT · The Hacker NewsOPEN STORY
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