CVE-2026-25604: apache software foundation apache airflow providers amazon Origin Validation Error
Vulnerability summary
CVE-2026-25604 is a medium (CVSS 5.4) Origin Validation Error vulnerability in apache software foundation apache airflow providers amazon. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 0 · Related 1Timeline
- 09-03-2026PublishedVulnerability first disclosed.
- 09-03-2026Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 5 sources · 1 version- OSV · PypiEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- OSV · WolfiEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- OSV · ChainguardEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
+0.17 pp
From 0.36% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard2 products
- airflow-2< 2.11.1-r1
- airflow-3< 3.1.8-r0
Apache1 product
- apache-airflow-providers-amazon≥ 8.0.0, < 9.22.0
Apache software foundation1 product
- apache airflow providers amazon≥ 8.0.0, < 9.22.0
PyPI1 product
- apache-airflow-providers-amazon< 9.22.0
Wolfi1 product
- airflow-3< 3.1.8-r0
5 vendors · 6 products
References
10 links- github.com/apache/airflowPACKAGE