CVE-2026-45192
Apache Airflow: Incomplete Redaction of Sensitive Fields in Connection Extra API Response
A bug in the GET `/api/v2/connections/{connection_id}` REST API endpoint in Apache Airflow allowed an authenticated UI/API user with Connection-read permission to retrieve secrets stored in a Connection's `extra` JSON blob under field names not present in the redaction allowlist (`DEFAULT_SENSITIVE_FIELDS`) — for example, official Slack-provider credential field names were returned in plaintext. Affects deployments that store credentials in Connection `extra` blobs and grant Connection-read access to multiple users. Users are advised to upgrade to `apache-airflow` 3.2.2 or later. As a defense-in-depth mitigation, deployment operators can store sensitive credential values in a secret-backend rather than inlined into the Connection's `extra` field.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: apacheAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| Apache Airflow Apache Software Foundation apache-airflow
pypi |
≥ 0; < 3.0.0 (affected, semver)
Other versions: unaffected |
CNA: apache |
| Apache Airflow Apache Software Foundation apache-airflow-core
pypi |
≥ 3.0.0; < 3.2.2 (affected, semver)
Other versions: unaffected |
CNA: apache |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 6.5 medium |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | ADP: CISA-ADP |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/apache/airflow/pull/66673CNA: apache · patch
- https://lists.apache.org/thread/r2q93dg2wp5h9sd9vh6y4y5ljqd9crddCNA: apache · vendor-advisory
- http://www.openwall.com/lists/oss-security/2026/06/01/3ADP: CVE
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