CVE-2026-107366 [HIGH] – IBM Langflow OSS 1.0.0 through 1.12.4 contains three message endpoints that perform no own

IBM Langflow OSS 1.0.0 through 1.12.4 contains three message endpoints that perform no ownership verification. Any authenticated user can bulk-delete another user’s messages, overwrite message content to inject malicious prompts, or hijack an entire conversation session by reassigning its session ID.