{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47723","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-19T21:29:25.482Z","datePublished":"2026-07-23T20:17:26.478Z","dateUpdated":"2026-07-24T13:54:01.417Z"},"containers":{"cna":{"title":"nebula-mesh: Web UI and API responses lack security headers (CSP, X-Frame-Options, HSTS, etc.)","problemTypes":[{"descriptions":[{"cweId":"CWE-1021","lang":"en","description":"CWE-1021: Improper Restriction of Rendered UI Layers or Frames","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-w7w5-5gcp-38rw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-w7w5-5gcp-38rw"},{"name":"https://github.com/forgekeep/nebula-mesh/commit/b45fda5476c41ffcff1ca23058aef0fb851359c1","tags":["x_refsource_MISC"],"url":"https://github.com/forgekeep/nebula-mesh/commit/b45fda5476c41ffcff1ca23058aef0fb851359c1"},{"name":"https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.1","tags":["x_refsource_MISC"],"url":"https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.1"}],"affected":[{"vendor":"juev","product":"nebula-mesh","versions":[{"version":"< 0.3.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-23T20:17:26.478Z"},"descriptions":[{"lang":"en","value":"nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.1, none of the response paths in `internal/web/` or `internal/api/` set the standard browser-security headers. `grep` for `Content-Security-Policy`, `X-Frame-Options`, `Strict-Transport-Security`, `X-Content-Type-Options`, `Referrer-Policy` returns zero matches across the codebase. Version 0.3.1 fixes the issue."}],"source":{"advisory":"GHSA-w7w5-5gcp-38rw","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-24T13:53:52.661159Z","id":"CVE-2026-47723","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-24T13:54:01.417Z"}}]}}