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PYSEC-2026-3683 mcp-atlassian: Arbitrary file read via missing path validation in confluence_upload_attachment

🗓️ 19 Aug 2026 11:56:24Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

mcp-atlassian's confluence_upload_attachment reads arbitrary files via missing path validation, enabling credential exfiltration.

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19 Aug 2026 12:45Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.7
EPSS0.00327
3