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CVE-2026-32690

Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1

3.7 LowFix available

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.42%Up 0.4 points since Apr 18, 2026
90%50%10%1%

What each source reports

CVE List Score used 3.7

Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Record
CVE-2026-32690
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-668
Updated
2026-11-03
EUVDEUVD-2026-23666 3.7

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Record
EUVD-2026-23666
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-w9r4-94fj-xp69 3.7

Apache Airflow Exposes Secrets in Variables Saved as JSON Dictionaries

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case the variables were retrieved by the user the secrets stored as nested fields were not masked.

If developers do not store variables with sensitive values in JSON form, their projects are not affected. Otherwise upgrade to the fixed version, Apache Airflow 3.2.0.

Record
GHSA-w9r4-94fj-xp69
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-668
Updated
2026-11-02
NVD 3.7

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Record
CVE-2026-32690
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-668
Updated
2026-11-03
OSV 3.7

Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Record
CVE-2026-32690
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-668
Updated
2026-11-04
OSVGHSA-w9r4-94fj-xp69 3.7

Apache Airflow Exposes Secrets in Variables Saved as JSON Dictionaries

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case the variables were retrieved by the user the secrets stored as nested fields were not masked.

If developers do not store variables with sensitive values in JSON form, their projects are not affected. Otherwise upgrade to the fixed version, Apache Airflow 3.2.0.

Record
GHSA-w9r4-94fj-xp69
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-668
Updated
2026-11-02
OSVPYSEC-2026-19 3.7

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Record
PYSEC-2026-19
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVPYSEC-2026-2362 3.7

Apache Airflow Exposes Secrets in Variables Saved as JSON Dictionaries

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case the variables were retrieved by the user the secrets stored as nested fields were not masked.

If developers do not store variables with sensitive values in JSON form, their projects are not affected. Otherwise upgrade to the fixed version, Apache Airflow 3.2.0.

Record
PYSEC-2026-2362
CVSS 3.1
3.7 LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVBIT-airflow-2026-32690 No score

Apache Airflow: 3.x - Nested Variable Secret Values Bypass Redaction via max_depth=1

Secrets in Variables saved as JSON dictionaries were not properly redacted - in case thee variables were retrieved by the user the secrets stored as nested fields were not masked.

If you do not store variables with sensitive values in JSON form, you are not affected. Otherwise please upgrade to Apache Airflow 3.2.0 that has the fix implemented

Record
BIT-airflow-2026-32690
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
apache-airflow-core
PyPI
 3.0.0 up to 3.2.0
3.2.0
apache-airflow
PyPI
 3.0.0 up to 3.2.0
3.2.0
airflow
Bitnami
 3.0.0 up to 3.2.0
3.2.0
apache-airflow-core
PyPI
 3.0.0 up to 3.2.0, plus listed versions
3.0.13.0.1rc13.0.23.0.2rc13.0.2rc2
Show 45 moreShow less
3.0.33.0.3rc13.0.3rc23.0.3rc33.0.3rc43.0.3rc53.0.3rc63.0.43.0.4rc13.0.4rc23.0.53.0.5rc13.0.5rc23.0.5rc33.0.63.0.6rc13.0.6rc23.1.03.1.0b13.1.0b23.1.0rc13.1.0rc23.1.13.1.1rc13.1.1rc23.1.23.1.2rc13.1.2rc23.1.33.1.3rc13.1.43.1.4rc13.1.4rc23.1.53.1.5rc13.1.63.1.6rc13.1.73.1.7rc13.1.7rc23.1.83.1.8rc13.1.8rc23.2.0b13.2.0b2
3.2.0
apache-airflow
PyPI
 3.0.0 up to 3.2.0, plus listed versions
3.0.13.0.1rc13.0.23.0.2rc13.0.2rc2
Show 45 moreShow less
3.0.33.0.3rc13.0.3rc23.0.3rc33.0.3rc43.0.3rc53.0.3rc63.0.43.0.4rc13.0.4rc23.0.53.0.5rc13.0.5rc23.0.5rc33.0.63.0.6rc13.0.6rc23.1.03.1.0b13.1.0b23.1.0rc13.1.0rc23.1.13.1.1rc13.1.1rc23.1.23.1.2rc13.1.2rc23.1.33.1.3rc13.1.43.1.4rc13.1.4rc23.1.53.1.5rc13.1.63.1.6rc13.1.73.1.7rc13.1.7rc23.1.83.1.8rc13.1.8rc23.2.0b13.2.0b2
3.2.0

History

History
RecordedChangedSources
factsCVE List, EUVD, NVD, OSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-32690 is a low vulnerability (CVSS 3.7) in Apache Airflow, published April 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in apache-airflow-core 3.2.0.

References

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