Security advisory

{
  "id": "b600dd9f4a6e4525c67faaf04a1b526713f07c4c131f37701729a6c8b92c06c5",
  "url": "https://osv.dev/vulnerability/CVE-2026-10561",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-10561",
    "summary": "IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined with an authentication bypass that allows an unauthenticated attacker to execute arbitrary code on the host system, resulting in complete compromise",
    "evidence": "osv:CVE-2026-10561",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-10561",
      "aliases": [
        "CVE-2026-10561",
        "GHSA-8qpj-27x8-pwpq",
        "PYSEC-2026-4231"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/langflow-ai/langflow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "24d9e86885b877ea3e9d03cbc50b963765489721"
                },
                {
                  "last_affected": "b695f97cd393f0be3c498d472cbe6f53af372da4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "last_affected": "1.9.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-10561.json"
          }
        }
      ],
      "modified": "2026-10-27T02:30:21.646916557Z",
      "provider": "osv",
      "references": [
        "https://www.ibm.com/support/pages/node/7277242"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-10561",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 460007,
  "published_at": "2026-06-22T14:16:25.023+00:00"
}