What is CVE-2025-62503?

CVE-2025-62503 is a medium-severity vulnerability in Apache Airflow, classified under CWE-250. CVSS score: 4.6/10. Published 2025-10-30.

How severe is CVE-2025-62503?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Apache Airflow

CVE-2025-62503

User with CREATE and no UPDATE privilege for Pools, Connections, Variables could update existing records via bulk create API with overwrite action.

Published 2025-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Apache Airflow
Apache Software Foundation Airflow — versions 3.0.0

Weakness classification (CWE)

CWE-250

References

lists.apache.org/thread/3v58249qscyn1hg240gh8hqg9pb4okcr (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-62503?: CVE-2025-62503 is a medium-severity vulnerability in Apache Airflow, classified under CWE-250. CVSS score: 4.6/10. Published 2025-10-30.
How severe is CVE-2025-62503?: Medium severity. CVSS v3 base score is 4.6 out of 10.