CVE-2026-63464 Nebula-mesh allows non-admin operators to disable webhook SSRF protection via `allow_private`

nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. From version 0.6.0 to before version 0.7.2, non-admin operators role user can set allowprivate: true on their own managed webhook subscription POST/PATCH /api/v1/webhook-subscriptions. No admin check exists on this field. At...

EUVD-2026-71715

nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. Prior to version 0.3.7, two related authorization gaps let a host that should no longer be trusted obtain a fresh, valid Nebula certificate, because nebula-mgmt does not re-evaluate revocation/authorization state at certificate...

CVE-2026-53602 nebula-mesh - Host revocation is not durable: blocked/offboarded hosts can regain a valid certificate

nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. Prior to version 0.3.7, two related authorization gaps let a host that should no longer be trusted obtain a fresh, valid Nebula certificate, because nebula-mgmt does not re-evaluate revocation/authorization state at certificate...