{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.3.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ffdd67dbf221d9a5855c39fbe11b49c245048d85"
            },
            {
              "fixed": "bda2703821e2f5368a5896ce98b63da924953956"
            }
          ],
          "repo": "https://github.com/forgekeep/nebula-mesh",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-rqfj-vv8r-xhqc"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-614"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48058.json"
  },
  "details": "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.",
  "id": "CVE-2026-48058",
  "modified": "2026-08-12T03:51:26.564345982Z",
  "published": "2026-07-28T18:47:57.916Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/forgekeep/nebula-mesh/releases/tag/v0.3.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48058.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-rqfj-vv8r-xhqc"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48058"
    },
    {
      "type": "FIX",
      "url": "https://github.com/forgekeep/nebula-mesh/commit/ffdd67dbf221d9a5855c39fbe11b49c245048d85"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "nebula-mesh: Session and OIDC state cookies lack the Secure attribute"
}