What’s Vulnerable › Vulnerabilities

CVE-2026-45361: Apache Airflow Google provider: SSH host key verification disabled in ComputeEngineSSHHook (paramiko AutoAddPolicy default)

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-25 · updated 2026-07-21
• Weakness: CWE-322

Description

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.

Affected products

• Apache Software Foundation Apache Airflow Google provider: before 22.0.0 — fixed in 22.0.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Airflow Google provider 22.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/apache/airflow/pull/66746
• https://lists.apache.org/thread/3lpj7ppwxp7jtp81rnxk75xvln7qd7h2?users@airflow.apache.org
• http://www.openwall.com/lists/oss-security/2026/05/24/9

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