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

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Summary

CVECVE-2026-27173
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-19 20:16:17 UTC
Updated2026-06-30 16:16:08 UTC
DescriptionJWT 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.

Risk And Classification

Primary CVSS: v3.1 8.7 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

EPSS: 0.000130000 probability, percentile 0.024230000 (date 2026-05-27)

Problem Types: CWE-538 | CWE-538 CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.7HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.7HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Airflow Cncf Kubernetes All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Airflow CNCF Kubernetes Provider affected 10.17.0 semver Not specified

References

ReferenceSourceLinkTags
www.openwall.com/lists/oss-security/2026/05/19/35 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
github.com/apache/airflow/pull/60108 [email protected] github.com Issue Tracking, Patch
lists.apache.org/thread/pk3m2z4s2rkmc0v6gh9hnch9spc6stqw [email protected] lists.apache.org Mailing List, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Nikolai Dvoinishnikov, Welltory (en)

CNA: Anton Kuznetsov, Welltory (en)

CNA: Anish Giri (en)

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