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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2026-10128

IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-10128
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 05:40 UTC · Revision 1

Source evidence

CVE-2026-10128

core-osv · Original source

Published 5 Aug 2026, 18:16 UTC

IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components.

osv:CVE-2026-10128
Complete source record
{
  "id": "806e507acc7c7f1f49d78736471ca200feba2795a1e6f6a8ca5d549fac2c01bb",
  "url": "https://osv.dev/vulnerability/CVE-2026-10128",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-10128",
    "summary": "IBM Langflow OSS 1.0.0 through 1.10.3 allows authenticated users can exploit a built-in Langflow component to read arbitrary server environment variables, exposing sensitive secrets despite security controls intended to disable custom components.",
    "evidence": "osv:CVE-2026-10128",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-10128",
      "aliases": [
        "CVE-2026-10128"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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-2026-10128.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:32.186438336Z",
      "provider": "osv",
      "references": [
        "https://www.ibm.com/support/pages/node/7282648"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-10128",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432957,
  "published_at": "2026-08-05T18:16:51.123+00:00"
}