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  4. CVE 2026 94134 apache airflow ssh provider apache airflow sftp
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Back to active CVEs
Critical · CVSS 9.1CVE-2026-94134

Apache Airflow SSH provider, Apache Airflow SFTP provider: SSH hook disables host-key verification by defaultCVE-2026-94134

Answer in brief

CVE-2026-94134 records a Critical severity (CVSS 9.1) vulnerability in Apache Airflow SSH provider, Apache Airflow SFTP provider: SSH hook disables host-key verification by default. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/apache-airflow-providers-sftp (generic), Apache Software Foundation/apache-airflow-providers-ssh (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 15, 2026Updated Oct 16, 2026Source checked Oct 25, 2026First seen by HOL Oct 15, 2026Material review Oct 16, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/apache-airflow-providers-sftp (generic), Apache Software Foundation/apache-airflow-providers-ssh (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/apache-airflow-providers-sftpgeneric>=0 <7.0.07.0.0
Apache Software Foundation/apache-airflow-providers-sshgeneric>=0 <7.0.07.0.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/apache-airflow-providers-sftp, Apache Software Foundation/apache-airflow-providers-ssh.
  2. 2Review the reported fix. Update Apache Software Foundation/apache-airflow-providers-sftp to 7.0.0; Apache Software Foundation/apache-airflow-providers-ssh to 7.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 16, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencelists.apache.org
  • Source referencecve.org
Upstream source description

The Apache Airflow SSH provider hook disables SSH host-key verification by default: unless `host_key` is configured or `no_host_key_check` is explicitly set to false, it accepts any server key. This affects SSH and SFTP connections that rely on the default. An attacker in a machine-in-the-middle position between the worker and the SSH or SFTP server can impersonate the server and capture the credentials or data a task sends. Users of apache-airflow-providers-ssh and apache-airflow-providers-sftp are recommended to upgrade to apache-airflow-providers-ssh 7.0.0 and apache-airflow-providers-sftp 7.0.0 or later. The deferrable SFTP code paths had the same default and are covered separately by CVE-2026-94135; apache-airflow-providers-sftp 7.0.0 fixes both.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-322
Source
CVE List V5
Source checked
Oct 25, 2026
References
3 linked sources
Open source record