CVE-2026-12763

IBM Langflow OSS (versions 1.0.0 through 1.11.5) is affected by improper cache key isolation in the MCP Tools component . The component caches discovered MCP tools in a shared process-local cache keyed only by the MCP server display name, without incorporating the user, session, flow, or resolved...

EUVD-2026-78087

IBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to access another user's MCP server context due to improper cache key isolation in the MCP Tools component...