Security Advisory

CVE-2026-47722

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-23 19:19:41

Last updated 2026-07-24 11:11:20

Assigner GitHub_M

CVSS score 8.7

State PUBLISHED

Description

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, `internal/configgen/generator.go:86,108,119` interpolates the operator-supplied `ListenHost` and `TunDevice` fields raw into a `text/template` that produces the agent's `config.yml`. `internal/web/advanced.go:20-35` accepts both with only `strings.TrimSpace` — no character or shape validation. Version 0.3.2 fixes the issue.

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