Security advisory

{
  "id": "7cf70f96b499440c540e67d1600a10f85121b68d82c8536fb22f1fa97d43f120",
  "url": "https://osv.dev/vulnerability/CVE-2026-9077",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-9077",
    "summary": "IBM Langflow OSS 1.0.0 through 1.10.3 Langflow allows remote authenticated attackers to bypass localhost-only restrictions and write arbitrary MCP server configurations to IDE configuration files on the host system.",
    "evidence": "osv:CVE-2026-9077",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-9077",
      "aliases": [
        "CVE-2026-9077"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/langflow-ai/langflow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "24d9e86885b877ea3e9d03cbc50b963765489721"
                },
                {
                  "fixed": "f307634e708a3247d23276943c4b848b15e19e84"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "fixed": "1.11.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-9077.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:56.826665041Z",
      "provider": "osv",
      "references": [
        "https://www.ibm.com/support/pages/node/7282147"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-9077",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438732,
  "published_at": "2026-08-05T17:16:57.51+00:00"
}