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CVE-2026-47723

HIGH
7.1
CVSS 4.0
Description
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.

Metadata

CVE ID
CVE-2026-47723
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-05-19 21:29 UTC
Published
2026-07-23 20:17 UTC
Last updated
2026-07-23 20:17 UTC
Primary CWE
CWE-1021
CWE-1021: Improper Restriction of Rendered UI Layers or Fram…
Vendor / Product
juev / nebula-mesh
Sources
cve.org  ·  NVD

Severity & Metrics

7.1 HIGH CVSS 4.0
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
Affected products (1)
VendorProductPlatformVersions
juev nebula-mesh — < 0.3.1
Weakness (CWE)
CWESourceDescription
CWE-1021 cna CWE-1021: Improper Restriction of Rendered UI Layers or Frames
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.1 HIGH 4.0 cna 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
References (3)
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