CyberSecBulletin
CVE-2026-45361NVD status: Modified

Apache Airflow Google provider: Key Exchange without Entity Authentication

Published Updated By the CyberSecBulletin desk

CVE-2026-45361 is a high-severity key exchange without entity authentication vulnerability in Apache Airflow Google provider from Apache, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 22.0.0 as the first without the flaw, so updating Apache Airflow Google provider to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.59% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Apache Airflow Google provider to 22.0.0 or a later version.
  2. Update Apache-airflow-providers-google to 22.0.0 or a later version.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
ApacheApache Airflow Google providerbefore 22.0.022.0.0
ApacheApache-airflow-providers-googlebefore 22.0.022.0.0

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
HighSuccess depends on conditions outside the attacker's control.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CISA (ADP).

Official 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.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Key Exchange without Entity Authentication

The product performs a key exchange with an actor without verifying the identity of that actor.

How developers prevent this class of flaw

  • Ensure that proper authentication is included in the system design.
  • Understand and properly implement all checks necessary to ensure the identity of entities involved in encrypted communications.

More Key Exchange without Entity Authentication vulnerabilities (CWE-322)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Patches and release notes

Third-party and government advisories

Other vulnerabilities in Apache Airflow Google provider

All Apache Airflow Google provider vulnerabilities

Recent Key Exchange without Entity Authentication vulnerabilities

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