EUVD-2026-57272
GHSA-c56v-8w4g-3mfm
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Network-accessible API but requires non-default multi-team mode and expose_config (AC:H), authenticated Viewer account (PR:L), and impact is confidentiality-only with no integrity or availability consequence.
Primary rating from Vendor (apache).
CVSS VectorVendor: apache
Lifecycle Timeline
4DescriptionCVE.org
Apache Airflow's Config API did not mask team-scoped sensitive configuration values in multi-team deployments. When an administrator has enabled multi-team mode and exposed the Config API, an authenticated Viewer holding only configuration-read access - with no prior access to the secret - could read a team-scoped Celery broker URL, including its embedded credentials, in cleartext, while the equivalent global option was correctly masked. The secrets masker matched only base section and option names and did not normalize team-prefixed sections before the sensitivity check (CWE-200). This is a distinct masker bypass from CVE-2026-48828 and CVE-2026-48892: deployments that upgraded to apache-airflow 3.3.0 to address those issues remain affected by this team-scoped variant. Users are advised to upgrade to apache-airflow 3.3.1 or later, which normalizes team-scoped sections before masking.
AnalysisAI
Sensitive credential exposure in Apache Airflow 3.3.0 allows an authenticated Viewer with configuration-read access to retrieve team-scoped sensitive options - including Celery broker URLs with embedded credentials - in cleartext via the Config API. The secrets masker evaluated sensitivity against raw section names without resolving team-prefixed sections (e.g., [team_a=celery]) back to their registered base section, so team-scoped overrides silently bypassed masking while equivalent global options were correctly redacted. …
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Vulnerability AssessmentAI
| Exploitation | Three simultaneous non-default conditions are required: (1) multi-team mode must be enabled in the Airflow deployment, (2) the Config API must be exposed (expose_config = True in the [api] config section - this is False by default), and (3) the attacker must hold a valid authenticated account with at minimum Viewer-level configuration-read access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | No CVSS vector or EPSS score is provided in the available intelligence, so risk metrics are inferred from the description. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to apache-airflow 3.3.1 or later, which resolves the masker bypass by normalizing team-scoped section names to their base representation before evaluating sensitivity. … Detailed patch versions, workarounds, and compensating controls in full report. |
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