Is CVE-2026-25604 in the CISA KEV catalog?

No. CVE-2026-25604 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-25604?

CVE-2026-25604 has a CVSS v3 base score of 5.4 (MEDIUM).

What is the EPSS score for CVE-2026-25604?

CVE-2026-25604 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-25604?

Upgrade airflow providers amazon to 9.22.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-25604

MEDIUM

5.4

CVSS v3

NVD

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.

CWE-346

How to fix

Remediation Available

airflow providers amazonNVD

Affected:>= 8.0.0, < 9.22.0Fixed in:9.22.0CVE-2026-25604derived from NVD

apache-airflow-providers-amazonNVD

Affected:>= 8.0.0, < 9.22.0Fixed in:9.22.0CVE-2026-25604derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

openwall.com

Mailing List1

lists.apache.org

Related Vulnerabilities

Other CWE-346 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-1185	High	7.2	82%	-	Fix
CVE-2025-34291	High	8.8	79%	KEV	-
CVE-2020-16952	High	8.6	71%	-	-
CVE-2023-29711	Critical	9.8	70%	-	-
CVE-2015-4495	High	8.8	70%	KEV	Fix
CVE-2024-23898	High	8.8	67%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-02.