Flowise: CVE-2025-8943 Patch Bypass: npm_config_yes bypasses MCP environment variable blocklist (Unauthenticated RCE)

Date Aug 4, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product npm · flowise

CVE CVE-2026-69263

High-risk advisory CVE-2026-69263

Summary

Flowise: CVE-2025-8943 Patch Bypass: npm_config_yes bypasses MCP environment variable blocklist (Unauthenticated RCE)

Why it matters

GitHub has published a reviewed security advisory for flowise. Prioritize it with other application dependency updates.

Operator check

Check whether flowise is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

GitHub Advisory GHSA-xc48-889x-5qmw NVD — CVE-2026-69263 Source reference

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

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