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CVE-2026-77251 MCP Atlassian: JIRA_PROJECTS_FILTER / CONFLUENCE_SPACES_FILTER allow forbidden-project content exfiltration (one LIVE-proven on Atlassian Cloud)

🗓️ 22 Sep 2026 17:55:37Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0, Jira search accepts a forbidden project clause because it checks only for the presence of project syntax, Confluence search uses ...

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22 Sep 2026 17:55Current
CVSS 48.3
4