CVE-2023-40712
Apache Airflow: Secrets can be unmasked in the "Rendered Template"
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
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
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
CVE-2023-40712- 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-200
- Updated
- 2026-11-02
CVE ListNo score
Apache Airflow: Secrets can be unmasked in the "Rendered Template"
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
CVE-2023-40712- Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2023-0019
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
EUVD-2023-0019- CVSS
- 0.0 None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mjqh-v5f2-g2mw
Apache Airflow information exposure vulnerability
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
GHSA-mjqh-v5f2-g2mw- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - 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-200
- Updated
- 2026-11-02
OSVGHSA-mjqh-v5f2-g2mw
Apache Airflow information exposure vulnerability
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
GHSA-mjqh-v5f2-g2mw- CVSS 4.0
- 7.1 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - 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-200
- Updated
- 2026-11-02
OSVBIT-airflow-2023-40712No score
Apache Airflow: Secrets can be unmasked in the "Rendered Template"
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
BIT-airflow-2023-40712- Updated
- 2026-11-02
OSVNo score
Apache Airflow: Secrets can be unmasked in the "Rendered Template"
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
CVE-2023-40712- Weakness
- CWE-200
- Updated
- 2026-11-02
OSVPYSEC-2023-171No score
Apache Airflow, versions before 2.7.1, is affected by a vulnerability that allows authenticated users who have access to see the task/dag in the UI, to craft a URL, which could lead to unmasking the secret configuration of the task that otherwise would be masked in the UI.
Users are strongly advised to upgrade to version 2.7.1 or later which has removed the vulnerability.
- Record
PYSEC-2023-171- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apache-airflowPyPI | before 2.7.1 | 2.7.1 |
airflowBitnami | before 2.7.1 | 2.7.1 |
apache-airflowPyPI | before 2.7.1, plus listed versions 1.10.01.10.11.10.101.10.10rc11.10.10rc2 Show 45 moreShow less1.10.10rc31.10.10rc41.10.10rc51.10.111.10.11rc11.10.11rc21.10.121.10.12rc11.10.12rc21.10.12rc31.10.12rc41.10.131.10.13rc11.10.141.10.14rc11.10.14rc21.10.14rc31.10.14rc41.10.151.10.15rc11.10.1b11.10.1rc21.10.21.10.2b21.10.2rc11.10.2rc21.10.2rc31.10.31.10.3b11.10.3b21.10.3rc11.10.3rc21.10.41.10.4b21.10.4rc11.10.4rc21.10.4rc31.10.4rc41.10.4rc51.10.51.10.5rc11.10.61.10.6rc11.10.6rc21.10.7 | 2.7.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, facts | ||
| affected | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40712 is a medium vulnerability (CVSS 6.5) in Apache Airflow, published September 12, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 81st percentile. Fixed in apache-airflow 2.7.1.
References
github.com/apache/airflow/pull/33512
lists.apache.org/thread/jw1yv4lt6hpowqbb0x4o3tdp0jhx2bts
nvd.nist.gov/vuln/detail/CVE-2023-40712
Left out here: 113 versions. The JSON record has them.