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2501 articles · 111760 vulns · 36/41 feeds (7d)
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6.5
CVE-2026-25219EXPLOITEDPATCHED
apache · airflow

Apache Airflow: Sensitive Azure Service Bus connection string (and possibly other providers) exposed to users with view access

Description

The `access_key` and `connection_string` connection properties were not marked as sensitive names in secrets masker. This means that user with read permission could see the values in Connection UI, as well as when Connection was accidentaly logged to logs, those values could be seen in the logs. Azure Service Bus used those properties to store sensitive values. Possibly other providers could be also affected if they used the same fields to store sensitive data. If you used Azure Service Bus connection with those values set or if you have other connections with those values storing sensitve values, you should upgrade Airflow to 3.1.8

Affected Products

VendorProductVersions
apacheairflowpip/apache-airflow: < 3.1.8

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
apacheairflowcert_advisory90%

References

  • https://github.com/apache/airflow/pull/61580(patch)
  • https://github.com/apache/airflow/pull/61582(patch)
  • https://lists.apache.org/thread/t4dlmqkn0njz4chk3g7mdgzb96y4ttqh(vendor-advisory)

Related News (3 articles)

Tier B
BSI Advisories3d ago
[NEU] [mittel] Apache Airflow: Schwachstelle ermöglicht Offenlegung von Informationen
→ No new info (linked only)
Tier C
oss-security3d ago
CVE-2026-25219: Apache Airlfow: Sensitive Azure Service Bus connection string (and possibly other providers) exposed to users with view access
→ No new info (linked only)
Tier C
VulDB3d ago
CVE-2026-25219 | Apache Airflow up to 3.1.7 Azure Service Bus access_key/connection_string information disclosure
→ No new info (linked only)
CVSS 3.16.5 MEDIUM
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
apache-airflow@3.1.8
CWECWE-200
PublishedApr 15, 2026
Last enriched3d agov3
Trending Score36
Source articles3
Independent3
Info Completeness9/14
Missing: cvss, epss, kev, iocs, mitre_attack

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 15, 2026
Discovered by ZDM
Apr 15, 2026
Updated: affectedVersions, severity
Apr 15, 2026
Updated: severity, affectedVersions, exploitAvailable, activelyExploited
Apr 15, 2026
Actively Exploited
Apr 15, 2026
Exploit Available
Apr 15, 2026
Patch Available
Apr 15, 2026

Version History

v3
Last enriched 3d ago
v3Tier C3d ago

Updated severity to LOW, marked exploit as available, and indicated active exploitation.

severityaffectedVersionsexploitAvailableactivelyExploited
via oss-security
v2Tier C3d ago

Updated affected versions to include 3.1.7, changed severity to HIGH, and noted that no exploit is available.

affectedVersionsseverity
via VulDB
v13d ago

Initial creation