Security advisory

{
  "id": "af60dd5c74806c8bfca79829431c6c286dbc7aac89cadaa0c25d9dabf2c13300",
  "url": "https://osv.dev/vulnerability/CVE-2026-51995",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-51995",
    "summary": "An issue in geelen mcp-remote 0.1.32 through 0.1.38 allows a remote attacker to obtain sensitive information via the src/lib/authorization-server-metadata.ts, src/lib/utils.ts components",
    "evidence": "osv:CVE-2026-51995",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-51995",
      "aliases": [
        "CVE-2026-51995"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/punkpeye/mcp-remote",
              "type": "GIT",
              "events": [
                {
                  "introduced": "90d4ca99253a75595d1e51e78f647b673133d7e8"
                },
                {
                  "last_affected": "02619aff36e79803d7c894e8c8ae7b34b2d11f8c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.1.32"
                      },
                      {
                        "last_affected": "0.1.38"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.1.38",
            "v0.1.37",
            "v0.1.36",
            "v0.1.35",
            "v0.1.34",
            "v0.1.33",
            "v0.1.32"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-51995.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.774315338Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51995.json",
        "https://github.com/geelen/mcp-remote/security/advisories",
        "https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-02-authorization-server-ssrf.md",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-51995",
        "https://github.com/geelen/mcp-remote",
        "https://github.com/playb0t/mcp-remote-oauth-security#readme"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51995.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-51995",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500983,
  "published_at": "2026-09-24T00:00:00+00:00"
}