Securing CI/CD in an agentic world: Claude Code Github action case

2026-06-08T08:52:23Zdc02fa12370c1f39da24c6a106388cc4abf57fe137ebf5b9dbfc79042b3f1d4d
AnthropicCI/CD securityClaude CodeGitHub ActionsMiasmaThe Gentlemenagentic AIcredential theftcryptojackingdependency confusiondetectionmitigationnpmprompt injectionransomwarered teamingsecrets exposuresupply chainthreat intelligencetyposquatting

What happened

Microsoft Threat Intelligence published a series of posts exposing high-risk threats to developer and CI/CD environments: a prompt-injection vulnerability in the Claude Code GitHub Action that could expose workflow secrets, multiple large-scale npm supply-chain campaigns (including the Red Hat “Miasma” credential-stealer, dependency-confusion and typosquatting campaigns) that steal cloud/CI/CD credentials and propagate, a cryptojacking campaign abusing SEO poisoning and remote-access tooling, and analysis of a self‑propagating Go ransomware family. The collection also updates failure-mode tax­

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
microsoft_security_blog
Record identifier
dc02fa12370c1f39da24c6a106388cc4abf57fe137ebf5b9dbfc79042b3f1d4d
Enrichment time
2026-06-08T08:52:23Z
AI-assisted enrichment
Yes

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Record · Securing CI/CD in an agentic world: Claude Code Github action case · Baitaphish