Critical Langflow Flaws Could Let Unauthenticated Attackers Run Code on Servers
Two critical flaws in Langflow could let a remote attacker with no account bypass authentication or run arbitrary code, IBM said last week . Langflow is an open-source tool for building AI agents and workflows, and its vulnerability reports go to IBM. Every release from 1.0.0 through 1.12.8 has the flaws, and the only fix is version 1.13.0. Neither flaw is in CISA's Known Exploited Vulnerabilities catalog, as of the catalog's October 30 update. Six other Langflow flaws are listed there, most recently CVE-2026-9198, which was added in August . The four Langflow flaws in IBM's bulletin, first published on October 28 and updated the next day, are:
Nov 02, 2026