Security advisory

{
  "id": "2e31545963b072e67c5a8ce5ae0ee41eae590f8d8a975162bb517d1a172df205",
  "url": "https://osv.dev/vulnerability/CVE-2026-18489",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-18489",
    "summary": "IBM ContextForge MCP Gateway - Translate utility <= 1.0.8 MCP Context Forge could allow a remote attacker to obtain sensitive information from other sessions due to exposure of data elements to the wrong session.",
    "evidence": "osv:CVE-2026-18489",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-18489",
      "aliases": [
        "CVE-2026-18489"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ibm/mcp-context-forge",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "a5b96fb4211dd931294be1e0882f861ca71ae792"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:ibm:contextforge:*:*:*:*:*:python:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.0.8"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.0.7",
            "v1.0.8",
            "v1.0.6",
            "v1.0.5",
            "v1.0.4",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v1.0.0-RC-3",
            "v1.0.0-RC2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-18489.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:19.826791818Z",
      "provider": "osv",
      "references": [
        "https://www.ibm.com/support/pages/node/7286056"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-18489",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430118,
  "published_at": "2026-09-04T17:16:56.55+00:00"
}