CVE-2026-45361: Apache airflow providers google Apache Airflow Providers-google's `ComputeEngineSSHHook` Disables Vulnerability

HIGH
Advisory Identifier: GHSA-g9v5-gjwf-9rwx
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CVSS 8.1
CWE-322
Published
Advisory Summary

CVE-2026-45361 is a HIGH (CVSS 8.1) apache airflow providers-google's `computeenginesshhook` disables vulnerability (CWE-322: Key Exchange without Entity Authentication) affecting Apache airflow providers google libraries in the PyPI ecosystem. The issue involves apache airflow providers-google's `computeenginesshhook` disables ssh host-key verification by default. Remediation is available by upgrading affected packages to version 22.0.0.

CVE-2026-45361 at a Glance

CVE Identifier CVE-2026-45361
GHSA Identifier GHSA-g9v5-gjwf-9rwx
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification CWE-322: Key Exchange without Entity Authentication
Affected Product Apache airflow providers google
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 8.1

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:H/I:H/A:H).

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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2026-45361

To remediate this vulnerability, upgrade all affected Apache airflow providers google 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-providers-google fixed: 22.0.0 
pip install apache-airflow-providers-google>=22.0.0
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-providers-google

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2026-45361, inspect your installed packages using pip:

pip show apache-airflow-providers-google

Analyze the terminal output to locate any version of Apache airflow providers google in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 22.0.0), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-322: Key Exchange without Entity Authentication, where the product performs a key exchange with an actor without verifying the identity of that actor. In Apache airflow providers google, 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

Apache Airflow providers-google's `ComputeEngineSSHHook` disables SSH host-key verification by default, exposing SSH traffic between an Airflow worker and a Compute Engine VM to in-path network attackers who can intercept or modify the session. Users are advised to upgrade to `apache-airflow-providers-google` 22.0.0 or later.

CVE-2026-45361 Affected Apache airflow providers google Versions

1 component(s)
Fixed Versions:
22.0.0
Product / Package Ecosystem Affected Versions Fixed Version
apache-airflow-providers-google
pypi/apache-airflow-providers-google
PyPI
< 22.0.0
22.0.0

References

NVD — CVE-2026-45361 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-45361
Apache airflow providers google Source Repository REPOSITORY
https://github.com/apache/airflow/pull/66746
Security Fix Commit FIX COMMIT
https://github.com/apache/airflow/commit/120dbed3462cedcb980aac022c587ba434249eb1
Apache airflow providers google Source Repository REPOSITORY
https://github.com/apache/airflow
Apache airflow providers google Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow-providers-google/PYSEC-2026-166.yaml
lists.apache.org/thread/3lpj7ppwxp7j... WEB
https://lists.apache.org/thread/3lpj7ppwxp7jtp81rnxk75xvln7qd7h2
Apache airflow providers google Security Information SECURITY
http://www.openwall.com/lists/oss-security/2026/05/24/9

Frequently Asked Questions

What is CVE-2026-45361?
CVE-2026-45361 is a security vulnerability in Apache airflow providers google involving Apache Airflow providers-google's `ComputeEngineSSHHook` disables SSH host-key verification by default under CWE-322: Key Exchange without Entity Authentication.
Which Apache airflow providers google versions are affected?
Affected versions include releases prior to 22.0.0 across affected packages: apache-airflow-providers-google.
What version fixes CVE-2026-45361?
Upgrading to 22.0.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is apache-airflow-providers-google affected?
Yes, apache-airflow-providers-google is affected in releases prior to 22.0.0. Upgrade your dependency to 22.0.0 or later.
What is the CVSS score of CVE-2026-45361?
CVE-2026-45361 has a CVSS v3.1 base score of 8.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2026-45361?
CVE-2026-45361 is classified under CWE-322: Key Exchange without Entity Authentication (The product performs a key exchange with an actor without verifying the identity of that actor.).
How can I check PyPI dependencies for CVE-2026-45361?
Run the dependency tree command: 'pip show apache-airflow-providers-google'. 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-g9v5-gjwf-9rwx",
  "modified" : "2026-06-30T16:53:05Z",
  "published" : "2026-05-26T13:30:40Z",
  "aliases" : [ "CVE-2026-45361" ],
  "summary" : "Apache Airflow providers-google's `ComputeEngineSSHHook` disables SSH host-key verification by default",
  "details" : "Apache Airflow providers-google's `ComputeEngineSSHHook` disables SSH host-key verification by default, exposing SSH traffic between an Airflow worker and a Compute Engine VM to in-path network attackers who can intercept or modify the session. Users are advised to upgrade to `apache-airflow-providers-google` 22.0.0 or later.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "apache-airflow-providers-google"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "22.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-45361"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/apache/airflow/pull/66746"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/apache/airflow/commit/120dbed3462cedcb980aac022c587ba434249eb1"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/apache/airflow"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/apache-airflow-providers-google/PYSEC-2026-166.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://lists.apache.org/thread/3lpj7ppwxp7jtp81rnxk75xvln7qd7h2"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2026/05/24/9"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-322" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-06-30T16:53:05Z",
    "nvd_published_at" : "2026-05-25T10:16:15Z"
  }
}