CVE-2026-32794: Apache airflow TLS Certificate Verification Is Disabled Vulnerability

MODERATE
Advisory Identifier: GHSA-wrpj-755p-x363
Share
CVSS 4.8
CWE-295
Published
Advisory Summary

CVE-2026-32794 is a MODERATE (CVSS 4.8) tls certificate verification is disabled vulnerability (CWE-295: Improper Certificate Validation) affecting Apache airflow libraries in the PyPI ecosystem. The issue involves tls certificate verification is disabled in databricks provider k8s token exchange. Remediation is available by upgrading affected packages to version 1.12.0.

CVE-2026-32794 at a Glance

CVE Identifier CVE-2026-32794
GHSA Identifier GHSA-wrpj-755p-x363
Severity MODERATE
CVSS v3.1 Base Score 4.8
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Apache airflow
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 4.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2026-32794

To remediate this vulnerability, upgrade all affected Apache airflow dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

apache-airflow fixed: 1.12.0 
pip install apache-airflow>=1.12.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show apache-airflow

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2026-32794, inspect your installed packages using pip:

pip show apache-airflow

Analyze the terminal output to locate any version of Apache airflow in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.12.0), your application is affected.

Note: The pip show apache-airflow command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Apache airflow, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Improper Certificate Validation vulnerability in Apache Airflow Provider for Databricks. Provider code did not validate certificates for connections to Databricks back-end which could result in a man-of-a-middle attack that traffic is intercepted and manipulated or credentials exfiltrated w/o notice. This issue affects Apache Airflow Provider for Databricks: from 1.10.0 before 1.12.0. Users are recommended to upgrade to version 1.12.0, which fixes the issue.

CVE-2026-32794 Affected Apache airflow Versions

1 component(s)
Fixed Versions:
1.12.0
Product / Package Ecosystem Affected Versions Fixed Version
apache-airflow
pypi/apache-airflow
PyPI
≥ 1.10.0
< 1.12.0
1.12.0

References

NVD — CVE-2026-32794 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-32794
Apache airflow Source Repository REPOSITORY
https://github.com/apache/airflow/pull/63704
Apache airflow Source Repository REPOSITORY
https://github.com/apache/airflow
lists.apache.org/thread/hn17yqsgsdtl... WEB
https://lists.apache.org/thread/hn17yqsgsdtl81llvhf80rkp53hnz5nb
Apache airflow Security Information SECURITY
http://www.openwall.com/lists/oss-security/2026/03/30/9

Frequently Asked Questions

What is CVE-2026-32794?
CVE-2026-32794 is a security vulnerability in Apache airflow involving TLS Certificate Verification is Disabled in Databricks Provider K8s Token Exchange under CWE-295: Improper Certificate Validation.
Which Apache airflow versions are affected?
Affected versions include releases prior to 1.12.0 across affected packages: apache-airflow.
What version fixes CVE-2026-32794?
Upgrading to 1.12.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is apache-airflow affected?
Yes, apache-airflow is affected in releases prior to 1.12.0. Upgrade your dependency to 1.12.0 or later.
What is the CVSS score of CVE-2026-32794?
CVE-2026-32794 has a CVSS v3.1 base score of 4.8 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
What CWE is associated with CVE-2026-32794?
CVE-2026-32794 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check PyPI dependencies for CVE-2026-32794?
Run the dependency tree command: 'pip show apache-airflow'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-wrpj-755p-x363",
  "modified" : "2026-04-01T23:10:14Z",
  "published" : "2026-03-31T00:31:12Z",
  "aliases" : [ "CVE-2026-32794" ],
  "summary" : "Apache Airflow Provider for Databricks: TLS Certificate Verification is Disabled in Databricks Provider K8s Token Exchange",
  "details" : "Improper Certificate Validation vulnerability in Apache Airflow Provider for Databricks. Provider code did not validate certificates for connections to Databricks back-end which could result in a man-of-a-middle attack that traffic is intercepted and manipulated or credentials exfiltrated w/o notice.\n\nThis issue affects Apache Airflow Provider for Databricks: from 1.10.0 before 1.12.0.\n\nUsers are recommended to upgrade to version 1.12.0, which fixes the issue.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "apache-airflow"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.10.0"
      }, {
        "fixed" : "1.12.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-32794"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/apache/airflow/pull/63704"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/apache/airflow"
  }, {
    "type" : "WEB",
    "url" : "https://lists.apache.org/thread/hn17yqsgsdtl81llvhf80rkp53hnz5nb"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2026/03/30/9"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-01T23:10:14Z",
    "nvd_published_at" : "2026-03-30T22:16:18Z"
  }
}