VulnSocial

CVE-2026-91931

LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

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0.0/ 10 priority

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-16: 109-16
Full discourse1 post
  • Upwind Security MDR@UpwindMDR

    🚨High - Flowise Custom MCP Node npx Package RCE (CVE-2026-91931) Flowise's Custom MCP node mishandles the mcpServerConfig parameter, allowing authenticated attackers to supply arbitrary npx package names. The server invokes npx with attacker-controlled npm packages, resulting in remote code execution. 👉Affected: flowise / flowise-components < 3.1.4 | Upgrade to 3.1.4

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