CVE-2026-85025
IBM Langflow OSS versions 1.0.0 through 1.11.5 contain a critical flaw that lets anyone run arbitrary code and tamper with chat sessions via publicly shared MCP project endpoints.
No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.
Who is affected
Users of IBM Langflow OSS 1.0.0 to 1.11.5 who expose MCP project endpoints to the public.
Real-world impact
An attacker could execute code on the server, steal or modify chat data, and potentially take full control of the affected system.
Why this severity
The CVSS score of 9.8 reflects that the vulnerability is network‑exploitable without authentication and can compromise confidentiality, integrity, and availability.
What to do about it
No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.
No fix documented in sources