CVE-2026-3157
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Information Disclosure in IBM Sterling B2B Integrator

Publication date: 2026-07-28

Last updated on: 2026-07-28

Assigner: IBM Corporation

Description
IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1 is vulnerable to an information disclosure due to sensitive information being included in the source code comments of a mailbox component.

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Meta Information

Published
2026-07-28
Last Modified
2026-07-28
Generated
2026-07-29
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-3157
EUVD
EUVD-2026-50013

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
ibm sterling_b2b_integrator From 6.2.0.0 (inc) to 6.2.2.0_1 (inc)
ibm sterling_file_gateway From 6.2.0.0 (inc) to 6.2.2.0_1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-615 While adding general comments is very useful, some programmers tend to leave important data, such as: filenames related to the web application, old links or links which were not meant to be browsed by users, old code fragments, etc.

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Executive Summary

CVE-2026-3157 is an information disclosure vulnerability in IBM Sterling B2B Integrator and IBM Sterling File Gateway. Sensitive data is exposed in source code comments of a mailbox component, allowing unauthorized access to confidential information.

Detection Guidance

To detect this vulnerability, inspect source code comments in the mailbox component of IBM Sterling B2B Integrator or File Gateway for sensitive information. Check versions 6.2.0.0 through 6.2.0.5_2, 6.2.1.0 through 6.2.1.1_2, and 6.2.2.0 through 6.2.2.0_1. Review logs and configuration files for exposed data.

Impact Analysis

Attackers could exploit this to access sensitive data like credentials or internal configurations. The impact includes potential data breaches, unauthorized system access, or further attacks leveraging exposed information. The CVSS score of 4.3 suggests moderate risk.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA due to unauthorized disclosure of sensitive data. Organizations may face legal penalties, fines, or reputational damage if protected information is exposed.

Mitigation Strategies

Apply the remediation fixes provided by IBM for versions 6.2.0.6, 6.2.1.2, or 6.2.2.1 via Fix Central or IBM Entitled Registry. Update affected systems immediately to prevent information disclosure.

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