---
id: CVE-2026-6794
title: >-
  IBM Concert 1.0.0 through 3.0.0 has a double free vulnerability that exists
  due to incorrect memory management
summary: >-
  IBM Concert 1.0.0 through 3.0.0 has a double free vulnerability that exists
  due to incorrect memory management. A local attacker can exploit this flaw to
  corrupt heap memory and execute arbitrary code in the context of the affected
  process.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-415
vendor: IBM
product: Concert
affected:
  - Concert >= 1.0.0 <= 3.0.0
published: '2026-09-23'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T14:51:56.593'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-6794'
references:
  - url: 'https://www.ibm.com/support/pages/node/7288830'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-24T13:33:54.634841Z'
ingestedAt: '2026-09-23T21:33:13.533Z'
---

## Overview

IBM Concert 1.0.0 through 3.0.0 has a double free vulnerability that exists due to incorrect memory management. A local attacker can exploit this flaw to corrupt heap memory and execute arbitrary code in the context of the affected process.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.