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Medium 5.4Published Mar 9, 2026

CVE-2026-25604Apache Airflow AWS Auth Manager - Host Header Injection Leading to SAML Authentication Bypass

Updated under an hour ago ()

Does this affect you?

It affects Apache Software Foundation Apache Airflow Providers Amazon and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

In AWS Auth manager, the origin of the SAML authentication has been used as provided by the client and not verified against the actual instance URL.  This allowed to gain access to different instances with potentially different access controls by reusing SAML response from other instances. You should upgrade to 9.22.0 version of provider if you use AWS Auth Manager.

CVSS
5.4 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE)
CWE-346
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
apache
NVD analysis
Analyzed
Record last updated
Mar 9, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Apache Software Foundation Apache Airflow Providers Amazon
apache_software_foundation:apache_airflow_providers_amazon (from the name)
from 8.0.0 before 9.22.0
CNA record
apache apache-airflow-providers-amazon
apache:apache-airflow-providers-amazon
from 8.0.0 before 9.22.0
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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