{"id":"CVE-2026-15661","title":"IBM Concert Software Improper Output Neutralization for Logs","summary":"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.","severity":"medium","cvss":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-117"],"vendor":"IBM","product":"Concert","affected":["Concert >= 1.0.0 <= 3.0.0"],"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T17:11:39.981Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-15661","references":[{"url":"https://www.ibm.com/support/pages/node/7292374"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T17:33:42.451Z","slug":"CVE-2026-15661","body":"## Overview\n\nIBM 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.\n\n## Affected\n\n- `Concert >= 1.0.0 <= 3.0.0`\n\n## Remediation\n\nIBM strongly recommends addressing these vulnerabilities now by upgrading to IBM Concert Software 3.0.1.1\nDownload IBM Concert Software 3.0.1.1 from Container software library section of IBM Entitled Registry (ICR) and follow installation instructions depending on the type of deployment.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}