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n8n-mcp's IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders

Exact source revision recorded 24 Oct 2026 13:17:17 UTC. It does not establish the source's current position. Latest evidence.

osv · GHSA-56c3-vfp2-5qqj

Published

n8n-mcp

npm

SEMVER · introduced 2.47.4 → fixed 2.47.14

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

ChangeIntel

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Sources read 2 Nov 16:25 UTC · 271 of 275 readable · 268 fully read · documentation 469/469 current