CVE-2026-16159
Received Received - Intake

IBM DataPower Gateway Out-of-Bounds Write Vulnerability

Vulnerability report for CVE-2026-16159, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

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 a remote attacker to obtain sensitive information and cause a denial of service due to an out-of-bounds write.

CVSS Scores

EPSS Scores

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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
EUVD

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-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

IBM DataPower Gateway versions 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 are vulnerable to an out-of-bounds write issue. This flaw could allow a remote attacker to gain access to sensitive information and disrupt service availability.

Impact Analysis

An attacker could exploit this vulnerability to read sensitive data from the system or cause the DataPower Gateway to crash, leading to service disruption. This may result in unauthorized access to confidential information or downtime for critical network services.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face compliance penalties if sensitive data is compromised due to this flaw.

Mitigation Strategies

Update IBM DataPower Gateway to a version beyond the affected range (10.5.0.22, 10.6.6, 10.6.0.10, or 11.0.0.2). If immediate update is not possible, restrict network access to the device and monitor for unusual activity.

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