CVE-2026-77243

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

CVE-2026-77243

The MCP Atlassian Model Context Protocol server for Confluence and Jira is vulnerable to an authorization bypass in versions prior to 0.22.0 . The root cause is that while ENABLED_TOOLS and TOOLSETS are applied during tool listing, they are not rechecked when a tools/call request is dispatched. T...

CVE-2026-77243 MCP Atlassian: ENABLED_TOOLS / Toolset authorization bypass

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...

CVE-2026-77243: Missing Authorization

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to 0.22.0, ENABLEDTOOLS and TOOLSETS are applied when tools are listed but are not rechecked when a tools/call request is dispatched. A client that knows a hidden tool name can directly invoke...