Three critical Langflow security vulnerabilities (CVE-2026-55255, CVE-2026-55447, CVE-2026-55450) expose AI applications to RCE and DoS attacks. Patch now.
CVE-2026-55450
A critical Langflow file upload flaw (CVE-2026-55450) is public with a PoC, enabling unauthenticated denial-of-service and path disclosure. Patch 1.9.1.