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TI-2026-35265 Aliases CVE-2026-47768GHSA-9pg3-25fq-p6cc

nebula-mesh: Newly-minted operator API key exposed in redirect URL (Referer, history, proxy logs)

Priority LOW 24CWE-598Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-532.

Summary

nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, newly-minted operator API key exposed in redirect URL (Referer, history, proxy logs). This issue has been patched in version 0.3.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00154 4th percentileScored 2026-11-07
Fix Fixed nebula-mesh (juev): 0.3.2github.com/juev/nebula-mesh (Go): 0.3.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
juevnebula-meshbefore 0.3.20.3.2Patch availableCNA
—github.com/juev/nebula-mesh (Go)before 0.3.20.3.2Patch availableGHSA-9pg3-25fq-p6cc
  • nebula-mesh Vendorjuev Affected before 0.3.2 Fixed in 0.3.2 Patch available CNA
  • github.com/juev/nebula-mesh (Go) Vendor— Affected before 0.3.2 Fixed in 0.3.2 Patch available GHSA-9pg3-25fq-p6cc

Remediation

  • Fix · CNA nebula-mesh (juev) Fixed in 0.3.2
  • Fix · GHSA-9pg3-25fq-p6cc github.com/juev/nebula-mesh (Go) Fixed in 0.3.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-47768
  2. 2026-10-03 Alias added: GHSA-9pg3-25fq-p6cc

References

  • TI-2026-35226 nebula-mesh: Web UI lacks CSRF tokens on /ui/* mutating endpoints CVSS 4.0MEDIUM 6.9
  • TI-2026-35227 nebula-mesh: GET /api/v1/audit-log discloses all entries to any operator CVSS 4.0HIGH 7.1
  • TI-2026-35499 nebula-mesh: Session and OIDC state cookies lack the Secure attribute CVSS 4.0MEDIUM 4.6
  • TI-2026-35225 nebula-mesh: API endpoints lack ownership checks, enabling cross-operator privilege escalation CVSS 3.1CRITICAL 9.9
  • TI-2026-36454 Nebula Mesh: Web UI lacks ownership checks, enabling cross-operator access to hosts and networks (read, block, delete) CVSS 3.1HIGH 8.8
  • TI-2026-35223 nebula-mesh: Host advanced overrides allow YAML injection into agent config.yml CVSS 4.0HIGH 8.7
See all 8 →

Sources