What is CVE-2026-42526?

CVE-2026-42526 is a medium-severity vulnerability in Apache Software Foundation Airflow Amazon Provider, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-05-19.

How severe is CVE-2026-42526?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Apache Software Foundation Airflow Amazon Provider

CVE-2026-42526

In the AWS Secrets Manager and SSM Parameter Store secrets backends of `apache-airflow-providers-amazon` prior to 9.28.0, the team-scoping logic could resolve a `conn_id` containing a `/` (e.g. `"my_team/conn"`) to the same path as another…

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apache Software Foundation Airflow Amazon Provider — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

Frequently asked questions

What is CVE-2026-42526?: CVE-2026-42526 is a medium-severity vulnerability in Apache Software Foundation Airflow Amazon Provider, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2026-05-19.
How severe is CVE-2026-42526?: Medium severity. CVSS v3 base score is 5.3 out of 10.