CVE-2026-13257
Received Received - Intake

IBM DataPower Gateway Signature Forgery Vulnerability

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: IBM Corporation

Description
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow an authenticated user to forge signature requests due to improper verification of data authenticity.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-13257
EUVD
EUVD-2026-95001

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
IBM DataPower Gateway 10.6CD 10.6.1
IBM DataPower Gateway 10.6.0 10.6.0.0
IBM DataPower Gateway 11.0.0 11.0.0.0
IBM DataPower Gateway 10.5.0 10.5.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-345 The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

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Executive Summary

This vulnerability in IBM DataPower Gateway allows an authenticated user to forge signature requests due to improper verification of data authenticity. This means an attacker with valid credentials could manipulate requests to appear legitimate when they are not.

Impact Analysis

An attacker could exploit this to perform unauthorized actions or gain access to sensitive data by forging requests. This could lead to data breaches, unauthorized transactions, or system compromise depending on the environment.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA by enabling unauthorized access to personal or health data. Organizations using affected versions may face legal penalties or reputational damage.

Mitigation Strategies

Apply the latest IBM DataPower Gateway patches or updates to versions beyond the affected ranges (10.5.0.22, 10.6.6, 10.6.0.10, 11.0.0.2). Ensure proper verification of signature requests by reviewing and updating authentication mechanisms.

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