PYSEC-2026-2366

Vulnerability from pysec - Published: 2026-07-13 15:19 - Updated: 2026-07-13 16:03
VLAI
Details

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Impacted products
Name purl
apache-airflow-providers-fab pkg:pypi/apache-airflow-providers-fab
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "apache-airflow-providers-fab",
        "purl": "pkg:pypi/apache-airflow-providers-fab"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.6.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0",
        "1.0.0rc1",
        "1.0.1",
        "1.0.1.dev0",
        "1.0.2",
        "1.0.2.dev0",
        "1.0.2.dev1",
        "1.0.2.dev2",
        "1.0.2b0",
        "1.0.2rc1",
        "1.0.3",
        "1.0.3rc1",
        "1.0.4",
        "1.0.4rc1",
        "1.1.0",
        "1.1.0rc1",
        "1.1.1",
        "1.1.1rc1",
        "1.2.0",
        "1.2.0rc1",
        "1.2.1",
        "1.2.1rc1",
        "1.2.2",
        "1.2.2rc1",
        "1.3.0",
        "1.3.0rc1",
        "1.4.0",
        "1.4.0rc1",
        "1.4.1",
        "1.4.1rc1",
        "1.5.0",
        "1.5.0rc1",
        "1.5.0rc2",
        "1.5.0rc3",
        "1.5.1",
        "1.5.1rc1",
        "1.5.2",
        "1.5.2rc1",
        "1.5.3",
        "1.5.3rc1",
        "1.5.4",
        "1.5.4rc1",
        "2.0.0",
        "2.0.0b1",
        "2.0.0rc1",
        "2.0.0rc2",
        "2.0.0rc3",
        "2.0.0rc4",
        "2.0.1",
        "2.0.1rc1",
        "2.0.2",
        "2.0.2rc1",
        "2.0.2rc2",
        "2.1.0",
        "2.1.0rc1",
        "2.2.0",
        "2.2.0rc1",
        "2.2.1",
        "2.2.1rc1",
        "2.2.1rc2",
        "2.3.0",
        "2.3.0rc1",
        "2.3.1",
        "2.3.1rc1",
        "2.4.0",
        "2.4.0rc1",
        "2.4.1",
        "2.4.1rc1",
        "2.4.2",
        "2.4.2rc1",
        "2.4.3",
        "2.4.3rc1",
        "2.4.4",
        "2.4.4rc1",
        "3.0.0",
        "3.0.0rc1",
        "3.0.0rc2",
        "3.0.1",
        "3.0.1rc1",
        "3.0.2",
        "3.0.2rc1",
        "3.0.3",
        "3.0.3rc1",
        "3.1.0",
        "3.1.0rc1",
        "3.1.1",
        "3.1.1rc1",
        "3.1.2",
        "3.1.2rc1",
        "3.2.0",
        "3.2.0rc1",
        "3.3.0",
        "3.3.0rc1",
        "3.4.0",
        "3.4.0rc1",
        "3.5.0",
        "3.5.0rc1",
        "3.6.0",
        "3.6.0rc1",
        "3.6.1",
        "3.6.1rc1",
        "3.6.2",
        "3.6.2rc1",
        "3.6.3",
        "3.6.3rc1",
        "3.6.4rc1"
      ]
    }
  ],
  "aliases": [
    "CVE-2026-46745",
    "GHSA-g283-w6fp-c4fc"
  ],
  "details": "Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.",
  "id": "PYSEC-2026-2366",
  "modified": "2026-07-13T16:03:24.830772Z",
  "published": "2026-07-13T15:19:12.107945Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46745"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/airflow/pull/66417"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/airflow/commit/3f7756bea71a7c7988511ec0557314ffb15fbe5e"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/apache/airflow"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/05/24/10"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/apache-airflow-providers-fab"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-g283-w6fp-c4fc"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability"
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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