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Review reviewHigh

CVE-2026-27173

Apache Software Foundation Apache Airflow CNCF Kubernetes provider, apache-airflow-providers-cncf-kubernetes

JWT tokens that were used by workers in Kubernetes Executors have been exposed to users who had read only access to Kuberentes Pods. This could allow users with just read-only access to perform actions that were only available to running tasks via Task SDK and potentially allow to modify state of Airflow Database for tasks.

CVSS
8.7
EPSS
0.16%
5.31% percentile
CISA KEV
Not listed
Published
2026.05.20
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.16%
Technical severityCVSS 8.7

Vulnerability overview

JWT tokens that were used by workers in Kubernetes Executors have been exposed to users who had read only access to Kuberentes Pods. This could allow users with just read-only access to perform actions that were only available to running tasks via Task SDK and potentially allow to modify state of Airflow Database for tasks.

Affected product and versions

Product
Apache Software Foundation Apache Airflow CNCF Kubernetes provider, apache-airflow-providers-cncf-kubernetes
Affected versions
< 10.17.0
Fixed versions
10.17.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Apache Software Foundation Apache Airflow CNCF Kubernetes provider, apache-airflow-providers-cncf-kubernetes and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
CWE
CWE-538