{"id":"CVE-2026-47722","revision":"a1eaa0fc38e84fc880a7cd58e22b35ab","records":[{"revision":"a1eaa0fc38e84fc880a7cd58e22b35ab","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-47722","aliases":[],"title":"nebula-mesh: Host advanced overrides allow YAML injection into agent config.yml","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.","state":0,"publishedAt":"2026-07-23T19:19:41.976+00:00","modifiedAt":"2026-07-24T11:11:20.665+00:00","affected":[{"ecosystem":"Vendor product","name":"nebula-mesh","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"juev\",\n                    \"product\": \"nebula-mesh\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 0.3.2\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-7hp6-g3pq-3pc3","https://github.com/forgekeep/nebula-mesh/issues/126","https://github.com/forgekeep/nebula-mesh/commit/c1506f7344ab375a145a7449b193af3f19bb41ef"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-47722","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-47722","identifiers":["CVE-2026-47722"]},"retained":false,"historicalAffected":[]}],"coverage":[]}