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[GHSA-8q5r-mmjf-575q] Claude Code Action: Malicious MCP Server Configuration in PRs Enables Remote Code Execution and Secret Exfiltration - #9187

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[GHSA-8q5r-mmjf-575q] Claude Code Action: Malicious MCP Server Configuration in PRs Enables Remote Code Execution and Secret Exfiltration#9187
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Add the upstream remediation commit that restores trusted base-branch configuration before the action runs. This commit is included in v1.0.74, the first patched release.

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github commented Aug 22, 2026

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Hi there @jason-anthropic! A community member has suggested an improvement to your security advisory. If approved, this change will affect the global advisory listed at github.com/advisories. It will not affect the version listed in your project repository.

This change will be reviewed by our Security Curation Team. If you have thoughts or feedback, please share them in a comment here! If this PR has already been closed, you can start a new community contribution for this advisory

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github-actions Bot changed the base branch from main to antonisloukis/advisory-improvement-9187 August 22, 2026 11:11
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