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CVE-2026-47723

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2514205aa88893b1eeabbd216e74ae91a6380dd6c1791103908f2d67f44d06a4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"nebula-mesh","vendor":"juev","versions":[{"status":"affected","version":"< 0.3.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:677e4b01f4787e64668ccc10021de3b9547d45d30520d19cd3d0f3c8f587601b · sha256:ccc9c1cfd1e60f76… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","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","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:677e4b01f4787e64668ccc10021de3b9547d45d30520d19cd3d0f3c8f587601b · sha256:ccc9c1cfd1e60f76… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-1021","description":"CWE-1021: Improper Restriction of Rendered UI Layers or Frames","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:677e4b01f4787e64668ccc10021de3b9547d45d30520d19cd3d0f3c8f587601b · sha256:ccc9c1cfd1e60f76… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/forgekeep/nebula-mesh/commit/b45fda5476c41ffcff1ca23058aef0fb851359c1","tags":["x_refsource_MISC"],"url":"https://github.com/forgekeep/nebula-mesh/commit/b45fda5476c41ffcff1ca23058aef0fb851359c1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:677e4b01f4787e64668ccc10021de3b9547d45d30520d19cd3d0f3c8f587601b · sha256:ccc9c1cfd1e60f76… · /containers/cna/references/1
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:677e4b01f4787e64668ccc10021de3b9547d45d30520d19cd3d0f3c8f587601b · sha256:ccc9c1cfd1e60f76… · /containers/cna/references/2
{"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"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:677e4b01f4787e64668ccc10021de3b9547d45d30520d19cd3d0f3c8f587601b · sha256:ccc9c1cfd1e60f76… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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