Apache Airflow CNCF Kubernetes provider: JWT Token Exposure in KubernetesExecutor Command-Line Arguments
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.
This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability low.
The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
CVE-2026-27173 is classified as CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory. The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information.
CVE-2026-27173 is recorded against 1 package.
Published on 13 July 2026 and last revised on 24 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
lists.apache.org (Web)
www.openwall.com (Web)
pypi.org (Package)
github.com (Advisory)
apache-airflow-providers-cncf-kubernetes has other advisories on record. If you are patching this one, these are worth checking on the same host:
These advisories are the same class of weakness (CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory) in other software:
Details
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| apache-airflow-providers-cncf-kubernetes | — | 10.17.0 |
References
Similar Threats
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CVE-2026-27173 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.
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