Langflow Langflow — CVE-2026-104317 (Critical)

Date Oct 29, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Langflow · Langflow

CVE CVE-2026-104317

Critical vendor advisory CVE-2026-104317

Summary

IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker who could reach the message broker to execute arbitrary code on the system due to the deserialization of untrusted data.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 8.1) in Langflow Langflow. Patch or mitigate promptly. EPSS percentile: 48%.

Operator check

Review CVE-2026-104317 in your asset inventory. Apply patches per vendor guidance and verify Langflow is not exposed. CVSS score: 8.1. EPSS probability: 0.6%; percentile: 48%.

Sources

NVD — CVE-2026-104317 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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