What’s Vulnerable › Vulnerabilities

CVE-2026-27173: Apache Airflow CNCF Kubernetes provider: JWT Token Exposure in KubernetesExecutor Command-Line Arguments

• Severity: high (CVSS 8.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-19 · updated 2026-07-24
• Weakness: CWE-538

Description

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 products

• Apache Software Foundation Apache Airflow CNCF Kubernetes provider: before 10.17.0 — fixed in 10.17.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Airflow CNCF Kubernetes provider 10.17.0. Check the vendor advisory for mitigations.

References

• https://github.com/apache/airflow/pull/60108
• https://lists.apache.org/thread/pk3m2z4s2rkmc0v6gh9hnch9spc6stqw
• http://www.openwall.com/lists/oss-security/2026/05/19/35

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