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MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

🗓️ 29 Jun 2026 11:50:45Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 1 Views

Confluence download_attachment accepts an unconstrained download_path, enabling arbitrary file write and code execution.

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01 Jul 2026 20:22Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.18 - 9
EPSS0.0226
SSVC
1