CVE-2026-12763

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...

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...

CVE-2026-12763 Langflow is vulnerable to authentication bypass and insufficient session expiration

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...

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...