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Security advisory

Type: advisorySources: OSVCVE: CVE-2021-28359

The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).

Products
Not specified
Affected versions
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Fixed versions
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CVEs
CVE-2021-28359
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 08:15 UTC · Revision 1

Source evidence

CVE-2021-28359

core-osv · Original source

Published 2 May 2021, 08:15 UTC

The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).

osv:CVE-2021-28359
Complete source record
{
  "id": "af8b9382064e8822ce9d29b70e3d2d439bf2ba5526fb0459f660e02a2ddb26de",
  "url": "https://osv.dev/vulnerability/CVE-2021-28359",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28359",
    "summary": "The \"origin\" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).",
    "evidence": "osv:CVE-2021-28359",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-28359",
      "aliases": [
        "BIT-airflow-2021-28359",
        "CVE-2021-28359",
        "GHSA-3xxv-p78r-4fc6",
        "PYSEC-2021-4"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/airflow",
              "type": "GIT",
              "events": [
                {
                  "introduced": "deb7fc0ffe3ddb9bf9aad6f5f9479d20598e2fb5"
                },
                {
                  "fixed": "5a94e34938858ce2bb390ddf0fd16ddfd1312a9b"
                },
                {
                  "introduced": "8217db8cb4b1ff302c5cf8662477ac00f701e78c"
                },
                {
                  "fixed": "d9567eb106929b21329c01171fd398fbef2dc6c6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.0.0"
                      },
                      {
                        "fixed": "1.10.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "fixed": "2.0.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
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              }
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28359.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:04.788322497Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df52632476698d99432%40%3Cannounce.apache.org%3E",
        "https://lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b332d6367%40%3Cusers.airflow.apache.org%3E"
      ],
      "provider_metadata": {}
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    "related_cves": [
      {
        "value": "CVE-2021-28359",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440618,
  "published_at": "2021-05-02T08:15:06.703+00:00"
}