Data Injection Vulnerability in IBM Concert Versions 1.0 to 3.0.0
CVE-2026-15661

5.3MEDIUM

Key Information:

Vendor

IBM
Status
Concert
Vendor
CVE Published:
19 October 2026

What is CVE-2026-15661?

The vulnerability within IBM Concert versions 1.0 through 3.0.0 involves the improper handling of special elements in log file generation, which could allow unauthorized users to inject arbitrary data into log messages. This flaw may expose sensitive information and potentially disrupt the integrity of logging mechanisms, impacting the security posture of affected systems. Organizations should implement the necessary patches and mitigate risks associated with this vulnerability.

Affected Version(s)

Concert 1.0.0 <= 3.0.0

References

https://www.ibm.com/support/pages/node/7292374
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.