CVE-2025-66388
Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2025-66388- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-03
CVE List
Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI
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.
- Record
CVE-2025-66388- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-03
EUVDEUVD-2025-203358
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.
- Record
EUVD-2025-203358- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fv47-pqh6-wxgq
Apache Airflow exposes secret values to authenticated UI users via rendered templates
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.
- Record
GHSA-fv47-pqh6-wxgq- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
OSV
Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI
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.
- Record
CVE-2025-66388- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-04
OSVGHSA-fv47-pqh6-wxgq
Apache Airflow exposes secret values to authenticated UI users via rendered templates
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.
- Record
GHSA-fv47-pqh6-wxgq- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-201
- Updated
- 2026-11-02
OSVPYSEC-2025-86
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.
- Record
PYSEC-2025-86- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVBIT-airflow-2025-66388 No score
Apache Airflow: Secrets in rendered templates not redacted properly and exposed in the UI
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.
- Record
BIT-airflow-2025-66388- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apache-airflowPyPI |
3.1.0 up to 3.1.4 | 3.1.4 |
airflowBitnami |
3.1.0 up to 3.1.4 | 3.1.4 |
apache-airflowPyPI |
3.1.0 up to 3.1.5, plus listed versions 3.1.13.1.1rc13.1.1rc23.1.23.1.2rc1 Show 7 moreShow less3.1.2rc23.1.33.1.3rc13.1.43.1.4rc13.1.4rc23.1.5rc1 |
3.1.5 |
apache-airflowPyPI |
3.1.0 up to 3.1.4, plus listed versions 3.1.13.1.1rc13.1.1rc23.1.23.1.2rc1 Show 5 moreShow less3.1.2rc23.1.33.1.3rc13.1.4rc13.1.4rc2 |
3.1.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List, EUVD, NVD, OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-66388 is a medium vulnerability (CVSS 6.5) in Apache Airflow, published December 15, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 41st percentile. Fixed in apache-airflow 3.1.4.