CVE-2026-27173

HIGHNVD 8.78.7—

8.7

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 v3: 8.7
EG Score: 8.7(high)
EPSS: 1.8%
KEV: Not listed

Published

May 19, 2026

Last Modified

May 19, 2026

Advisory Details (3)

Auto-updated May 19, 2026

No patch confirmed yet.

generic

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

http://www.openwall.com/lists/oss-security/2026/05/19/35

generic

https://lists.apache.org/thread/pk3m2z4s2rkmc0v6gh9hnch9spc6stqw

generic

Two-token mechanism for task execution to prevent token expiration while tasks wait in executor queues by anishgirianish · Pull Request #60108 · apache/airflow · GitHub

https://github.com/apache/airflow/pull/60108

Vendor Advisories for CVE-2026-27173(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-524w-vq63-2xhf
GitHub Security AdvisoriesHigh
JWT tokens that were used by workers in Kubernetes Executors have been exposed to users who had...

Frequently asked(5)

What is CVE-2026-27173?

CVE-2026-27173 is a high vulnerability published on May 19, 2026. 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…

When was CVE-2026-27173 disclosed?

CVE-2026-27173 was first published in the National Vulnerability Database on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-27173 actively exploited?

CVE-2026-27173 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-27173?

CVE-2026-27173 has a CVSS v3 base score of 8.7 (NVD).

How do I remediate CVE-2026-27173?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27173, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-27173

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

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

Two-token mechanism for task execution to prevent token expiration while tasks wait in executor queues by anishgirianish · Pull Request #60108 · apache/airflow · GitHub

📣 Vendor Advisories for CVE-2026-27173(1)

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-27173?

Published

Last Modified

Advisory Details (3)

Vendor Advisories for CVE-2026-27173(1)

Frequently asked(5)