CVE-2026-77248

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the streamable HTTP transport accepts requests without a user identity and falls back to operator credentials, while uploadattachment accepts an unrestricted filepath. An...

CVE-2026-77248: Improper Limitation of a Pathname to a Restricted Directory

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, the streamable HTTP transport accepts requests without a user identity and falls back to operator credentials, while uploadattachment accepts an unrestricted filepath. An...

CVE-2026-65014: Missing Authentication for Critical Function

n8n before 2.28.0 and before 2.27.4 on the 2.27.x branch registers the DELETE /$restEndpoint/test-webhook/:id endpoint before authentication middleware is applied, allowing any unauthenticated network caller who knows a workflow ID to cancel that workflow's active test webhook registration. The...