CVE-2026-15661
Received Received - Intake

IBM Concert Log Injection Vulnerability via Special Elements

Publication date: 2026-10-19

Last updated on: 2026-10-19

Assigner: IBM Corporation

Description
IBM Concert 1.0 through 3.0.0 could allow an unauthorized user to inject data into log messages due to improper neutralization of special elements when written to log files.

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Meta Information

Published
2026-10-19
Last Modified
2026-10-19
Generated
2026-10-19
AI Q&A
2026-10-19
EPSS Evaluated
N/A
NVD
CVE-2026-15661
EUVD
EUVD-2026-104487

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
IBM Concert 1.0.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-117 The product constructs a log message from external input, but it does not neutralize or incorrectly neutralizes special elements when the message is written to a log file.

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Executive Summary

IBM Concert 1.0 through 3.0.0 has a vulnerability where an unauthorized user can inject data into log messages. This happens because the software does not properly neutralize special elements when writing to log files.

Detection Guidance

This vulnerability involves improper neutralization of special elements in log files, allowing unauthorized data injection. To detect it, monitor log files for unusual entries or unexpected characters. Check IBM Concert application logs for entries containing special characters or unexpected patterns. Review system logs for signs of tampering or unauthorized access attempts.

Impact Analysis

This vulnerability could allow attackers to manipulate log files, potentially hiding malicious activities or creating false entries. It may lead to incorrect system behavior or security alerts being overlooked.

Compliance Impact

This vulnerability could allow unauthorized data injection into logs, potentially compromising the integrity of audit trails. For GDPR, this may affect compliance by undermining data integrity requirements under Article 5. For HIPAA, it could impact the integrity and security of protected health information logs.

Mitigation Strategies

Update IBM Concert to the latest version to address the improper neutralization of special elements in log files. Review and restrict access to log files to prevent unauthorized data injection.

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