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PYSEC-2026-4099 MCP Atlassian: Path Traversal / Arbitrary File Read in confluence_upload_attachment MCP tool (incomplete fix of GHSA-xjgw-4wvw-rgm4)

🗓️ 01 Oct 2026 16:38:35Reported by GoogleType 
osv
 osv
🔗 osv.dev

Unauthenticated remote path traversal in mcp-atlassian allows arbitrary file read.

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01 Oct 2026 17:45Current
6Medium risk
Vulners AI Score6
CVSS 3.18.6
EPSS0.00489
0