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  4. CVE 2026 25219 apache airflow sensitive azure service bus
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Back to active CVEs
Medium · CVSS 6.5CVE-2026-25219

Apache Airflow: Sensitive Azure Service Bus connection string (and possibly other providers) exposed to users with view accessCVE-2026-25219

Answer in brief

CVE-2026-25219 records a Medium severity (CVSS 6.5) vulnerability in Apache Airflow: Sensitive Azure Service Bus connection string (and possibly other providers) exposed to users with view access. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/apache-airflow (generic), Apache Software Foundation/apache-airflow-core (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 15, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Oct 28, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.5
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/apache-airflow (generic), Apache Software Foundation/apache-airflow-core (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/apache-airflowgeneric>=0 <3.0.03.0.0
Apache Software Foundation/apache-airflow-coregeneric>=3.0.0 <3.1.83.1.8

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/apache-airflow, Apache Software Foundation/apache-airflow-core.
  2. 2Review the reported fix. Update Apache Software Foundation/apache-airflow to 3.0.0; Apache Software Foundation/apache-airflow-core to 3.1.8 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Apr 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 28, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencelists.apache.org
  • Source referenceopenwall.com
Upstream source 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

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WATI Chat and Notification <= 1.1.8 - Unauthenticated Customer Order PII Disclosure via Leaked API TokenAlso CWE-200
  • weMail <= 2.1.6 - Editor+ API Key DisclosureAlso CWE-200
  • EchoHS GeekezBrowser Public API status information disclosureAlso CWE-200

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-200
Source
CVE List V5
Source checked
Nov 3, 2026
References
4 linked sources
Open source record