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    CVE-2026-48058

    nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3.2, internal/web/session.go and internal/web/oidc.go set HttpOnly and SameSite=Lax on every cookie but never Secure. A single plaintext request to the origin (operator on a LAN, mistyped URL, HTTP→HTTPS not strictly enforced, reverse proxy misconfiguration) discloses the session. This issue has been patched in version 0.3.2.

    Published:Jul 28, 2026
    Last Modified:Jul 28, 2026
    EPS:Jul 28, 2026
    EPSS Score:
    CVSS Score:4.6

    Affected Products

    Vendor
    Juev
    Product
    Nebula-mesh

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-102 Session Sidejacking

    Related CVEs

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    CVE-2026-47726 (CVSS 7.1) — nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3…
    CVE-2026-47725 (CVSS 6.9) — nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3…
    CVE-2026-48025 (CVSS 6.9) — nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3…
    CVE-2026-47724 (CVSS 9.9) — nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3…
    CVE-2026-47723 (CVSS 7.1) — nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3…
    CVE-2026-47722 (CVSS 8.7) — nebula-mesh is a self-hosted control plane for Slack Nebula mesh virtual private network. Prior to version 0.3…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High