CVE-2026-14991
Received Received - Intake

Buffer Overflow in IBM DataPower Gateway

Vulnerability report for CVE-2026-14991, 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 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.

CVSS 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

This vulnerability is a buffer overflow in 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. It occurs due to improper bounds checking, allowing a local user to overflow the buffer and execute arbitrary code on the system.

Impact Analysis

An attacker with local access could exploit this to run malicious code, potentially gaining control over the system. This could lead to data breaches, unauthorized access, or system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations using affected versions may face compliance violations and penalties.

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). Disable local user access if not required and monitor for unusual system activity.

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