{"id":"CVE-2026-4405","title":"IBM Concert Software Use of Web Browser Cache Containing Sensitive Information","summary":"IBM Concert 1.0 through 3.0.0 allows web page cache to be stored locally which can be read by another user on the system.","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-525"],"vendor":"IBM","product":"Concert","affected":["Concert >= 1.0.0 <= 3.0.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-19T18:23:08.762889Z"},"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T18:23:21.592Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-4405","references":[{"url":"https://www.ibm.com/support/pages/node/7292374"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T17:33:42.448Z","slug":"CVE-2026-4405","body":"## Overview\n\nIBM Concert 1.0 through 3.0.0 allows web page cache to be stored locally which can be read by another user on the system.\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":22,"depthScoreParts":{"impact":22,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}