Vulnerability from bitnami_vulndb
Published
2026-07-12 23:39
Modified
2026-07-13 00:08
Summary
Apache Airflow: Task-instance API exposes secrets in deferred trigger kwargs
Details

In Apache Airflow before 3.3.0, the REST API task-instance detail and list endpoints returned a deferred task's trigger kwargs without masking. When a deferred operator passed a secret (for example a provider API key) into its trigger, any authenticated user with DAG-scoped task-instance read access for that DAG could read that secret in clear text while the task was deferred. Users should upgrade to apache-airflow 3.3.0 or later, which masks sensitive values in trigger kwargs returned by the API.


{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "airflow",
        "purl": "pkg:bitnami/airflow"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-49487"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "In Apache Airflow before 3.3.0, the REST API task-instance detail and list\nendpoints returned a deferred task\u0027s trigger kwargs without masking. When a\ndeferred operator passed a secret (for example a provider API key) into its\ntrigger, any authenticated user with DAG-scoped task-instance read access for\nthat DAG could read that secret in clear text while the task was deferred.\nUsers should upgrade to apache-airflow 3.3.0 or later, which masks sensitive\nvalues in trigger kwargs returned by the API.",
  "id": "BIT-airflow-2026-49487",
  "modified": "2026-07-13T00:08:34.851Z",
  "published": "2026-07-12T23:39:24.734Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/07/6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/airflow/pull/67868"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/qlw6pozlzlfhkvmbgqsbjlq6vj4v0pc4"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49487"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache Airflow: Task-instance API exposes secrets in deferred trigger kwargs"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

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