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CVE-2026-47751 Claude Code Action: Malicious MCP Server Configuration in PRs Enables Remote Code Execution and Secret Exfiltration

🗓️ 16 Jul 2026 15:59:29Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 17 Views

CVE-2026-47751: Malicious MCP config in Claude Code Action enabled RCE and secret exfiltration via PR; fixed in 1.0.74.

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16 Jul 2026 15:59Current
6.3Medium risk
Vulners AI Score6.3
CVSS 45.3
EPSS0.00766
SSVC
17