Information disclosure in Apache Airflow Cncf Kubernetes
CVE-2026-27173
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.002 (9.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/apache/airflow/pull/60108 (Patch, patch, Issue Tracking)
- lists.apache.org/thread/pk3m2z4s2rkmc0v6gh9hnch9spc6stqw (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-27173?
- CVE-2026-27173 is a high-severity vulnerability in Apache Airflow Cncf Kubernetes, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 8.7/10. Published 2026-05-19.
- How severe is CVE-2026-27173?
- High severity. CVSS v3 base score is 8.7 out of 10.