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EUVD-2025-210342Published

Flowise before 3.0.6 (affected versions 2.2.7-patch.1 and earlier) contains an unsandboxed remote code execution vulnerability in the Custom MCP feature, which is designed to execute OS commands such as launching local MCP servers. Because …

Exact source revision recorded 30 Oct 2026 01:03:33 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

euvd · EUVD-2025-210342

Published

Flowise before 3.0.6 (affected versions 2.2.7-patch.1 and earlier) contains an unsandboxed remote code execution vulnerability in the Custom MCP feature, which is designed to execute OS commands such as launching local MCP servers. Because Flowise's authentication and authorization model is minimal and lacks role-based access control, and the default installation runs without authentication unless FLOWISE_USERNAME and FLOWISE_PASSWORD are set, an attacker can send a crafted JSON payload with the header 'x-request-from: internal' to the /api/v1/node-load-method/customMCP endpoint to execute arbitrary OS commands, resulting in complete compromise of the platform container or server.

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jun 25, 2026, 9:41:06 PM

dateUpdated: Jun 30, 2026, 1:35:52 PM

1 related source bulletins · separate from aliases

WID-SEC-W-2025-2048: Flowise: Mehrere Schwachstellen

CVE-2025-58434 · CVE-2025-71324 · CVE-2025-71336

Source published
Jun 25, 2026, 9:41:06 PM (timezone not stated)
Source modified
Jun 30, 2026, 1:35:52 PM (timezone not stated)
Observed here
30 Oct 2026 01:03:33 UTC
Source terms
ENISA EUVD · source terms and attribution apply

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: euvd · ENISA EUVD · source terms and attribution apply. Source text is retained; field grouping and change labels are provided by ChangeIntel.

EUVD CVSS 4.0 · 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 10 Nov 12:38 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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