Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Reposit… | HappeningNow.news

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Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Repositories

A security researcher found a flaw in Anthropic's Claude Code GitHub Action that let an attacker take over vulnerable public repositories…

Source The Hacker News AI Summary Updated June 4, 2026
Story intelligence Beta
Freshness Stale Updated June 4, 2026
Confidence Limited Single-outlet story
Coverage Single outlet
Views 7 Community interest
Read time 1 min ~58 words

AI Summary

A security researcher found a flaw in Anthropic's Claude Code GitHub Action that let an attacker take over vulnerable public repositories running it, with nothing more than a single opened GitHub issue. Because Anthropic's own action repo used the same workflow, a working attack could have pushed malicious code into the action itself and onto the projects d…

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