CVE-2026-55235 | langchain-ai langgraph-api up to 0.9.x Authentication Middleware improper authentication

A vulnerability has been found in langchain-ai langgraph-api up to 0.9.x and classified as critical. Impacted is an unknown function of the component Authentication Middleware. The manipulation leads to improper authentication.

This vulnerability is referenced as CVE-2026-55235. Remote exploitation of the attack is possible. No exploit is available.

The affected component should be upgraded.VulDB Recent EntriesRead More