5.4

CVE-2026-25604: apache software foundation apache airflow providers amazon Origin Validation Error

CVSS: 5.4v3.1MediumAnalyzed
AliasesGHSA-rv5f-ccpm-xjj4PYSEC-2026-2363CGA-8285-vx54-j3r8
Published 09-03-2026Last modified 09-03-2026

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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.53%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1

Timeline

  1. 09-03-2026
    PublishedVulnerability first disclosed.
  2. 09-03-2026
    Last 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

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

18-09-202618-10-2026
EPSS score
0.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard2 products
  • airflow-2< 2.11.1-r1
  • airflow-3< 3.1.8-r0
Apache1 product
Apache software foundation1 product
PyPI1 product
  • apache-airflow-providers-amazon< 9.22.0
Wolfi1 product
  • airflow-3< 3.1.8-r0

5 vendors · 6 products

References

10 links