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TI-2025-40828 Aliases CVE-2025-66388GHSA-fv47-pqh6-wxgq

Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI

Priority LOW 29CWE-201Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-201.

Summary

A vulnerability in Apache Airflow allowed authenticated UI users to view secret values in rendered templates due to secrets not being properly redacted, potentially exposing secrets to users without the appropriate authorization. Users are recommended to upgrade to version 3.1.4, which fixes this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00475 41st percentileScored 2026-11-07
Fix Fixed Apache Airflow (Apache Software Foundation): 3.1.4apache-airflow (PyPI): 3.1.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Airflow3.1.0 to before 3.1.43.1.4Patch availableCNA
—apache-airflow (PyPI)3.1.0 to before 3.1.53.1.5Patch availableGHSA-fv47-pqh6-wxgq
  • Apache Airflow VendorApache Affected 3.1.0 to before 3.1.4 Fixed in 3.1.4 Patch available CNA
  • apache-airflow (PyPI) Vendor— Affected 3.1.0 to before 3.1.5 Fixed in 3.1.5 Patch available GHSA-fv47-pqh6-wxgq

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*3.1.0 to before 3.1.4VulnerableApache
  • cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:* Versions 3.1.0 to before 3.1.4 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Airflow (Apache Software Foundation) Fixed in 3.1.4
  • Fix · GHSA-fv47-pqh6-wxgq apache-airflow (PyPI) Fixed in 3.1.5 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66388
  2. 2026-10-03 Alias added: GHSA-fv47-pqh6-wxgq
  3. 2026-11-03 Fix available: [email protected] · CNA

References

Patch 1

Advisory 3

Other 3

  • TI-2020-10905 Missing authentication in Apache Airflow KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-09638 OS command injection in Apache Airflow KEVCVSS 3.1HIGH 8.8
  • TI-2022-19017 Apache Airflow <2.4.0 has an RCE in a bash example CVSS 3.1HIGH 8.8
  • TI-2021-16140 Apache Airflow: Variable Import endpoint missed authentication check CVSS 3.1CRITICAL 9.8
  • TI-2022-08169 Apache Airflow: RCE in example DAGs CVSS 3.1HIGH 8.8
  • TI-2024-26776 Apache Airflow: DAG Author Code Execution possibility in airflow-scheduler CVSS 3.1HIGH 8.8
See all 157 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences