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Megalodon GitHub Attack Targets 5,561 Repos with Malicious CI/CD Workflows
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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 six-hour window.”Using throwaway accounts and forged author identities (build-bot, auto-ci, ci-bot, pipeline-bot), the attacker injected GitHub Actions workflows containing base64-encoded bash payloads that exfiltrate CI

First seen on thehackernews.com

Jump to article: thehackernews.com/2026/05/megalodon-github-attack-targets-5561.html

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