CVE-2026-67443Network attack vector

Remote code execution via guest JWT bypass

Published Aug 18, 2026 · Updated Aug 18, 2026

Missing authorization in the Node-RED integration in Frangoteam FUXA before 1.3.3 allows remote attackers to execute scripts via a guest JWT. The allowDashboard gate in server/integrations/node-red/index.js accepts any token that passes authJwt.verify and never rejects guest claims, so a token minted by unauthenticated POST /api/heartbeat requests reaches RED.httpAdmin and the flow deployment API. Exposure requires nodeRedEnabled, secureEnabled, and nodeRedAuthMode set to secure; once reachable, bundled script and function nodes can alter project data and run server-side helpers, with operating-system command execution possible when nodeRedUnsafeModules is enabled.

CVSS severity9.2
Critical
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in the Node-RED integration in Frangoteam FUXA before 1.3.3 allows remote attackers to execute scripts via a guest JWT. The allowDashboard gate in server/integrations/node-red/index.js accepts any token that passes authJwt.verify and never rejects guest claims, so a token minted by unauthenticated POST /api/heartbeat requests reaches RED.httpAdmin and the flow deployment API. Exposure requires nodeRedEnabled, secureEnabled, and nodeRedAuthMode set to secure; once reachable, bundled script and function nodes can alter project data and run server-side helpers, with operating-system command execution possible when nodeRedUnsafeModules is enabled.

The record

CVE
CVE-2026-67443
Published
Aug 18, 2026
Updated
Aug 18, 2026
Vendor
Frangoteam
Product
FUXA
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1.3.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Frangoteam · FUXAversion=< 1.3.3

Published CVSS scores

9.2GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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