Apache Airflow Providers Amazon up to 9.21.x SAML Response origin validation

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apache Airflow Providers Amazon up to 9.21.x. Impacted is an unknown function of the component SAML Response Handler. The manipulation leads to origin validation. This vulnerability is referenced as CVE-2026-25604. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apache Airflow Providers Amazon up to 9.21.x. This issue affects an unknown functionality of the component SAML Response Handler. The manipulation with an unknown input leads to a origin validation vulnerability. Using CWE to declare the problem leads to CWE-346. The product does not properly verify that the source of data or communication is valid. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published by Sungwuk Jung. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-25604 since 02/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/15/2026).

Upgrading to version 9.22.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-10319). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 5.4
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Origin validation
CWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Airflow Providers Amazon 9.22.0

Timelineinfo

02/03/2026 CVE reserved
03/09/2026 +34 days Advisory disclosed
03/09/2026 +0 days VulDB entry created
03/15/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: github.com
Researcher: Sungwuk Jung
Status: Confirmed

CVE: CVE-2026-25604 (🔒)
GCVE (CVE): GCVE-0-2026-25604
GCVE (VulDB): GCVE-100-349805
EUVD: 🔒

Entryinfo

Created: 03/09/2026 12:22
Updated: 03/15/2026 19:40
Changes: 03/09/2026 12:22 (56), 03/09/2026 13:13 (1), 03/15/2026 19:40 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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