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CVE-2026-6928: CWE-416 Use After Free in IBM Concert

0
Critical
VulnerabilityCVE-2026-6928cvecve-2026-6928cwe-416
Published: 09/23/2026 (09/23/2026, 20:54:55 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: Concert

Description

CVE-2026-6928 is a critical use-after-free vulnerability in IBM Concert versions 1.0.0 through 3.0.0. The flaw allows an attacker who can influence program execution or input to cause memory corruption, application crashes, or potentially execute arbitrary code.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

IBM

Concert

Affected versions
>=1.0.0 <=3.0.0
CPE configurations (2)
cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:concert:3.0.0:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/23/2026, 21:18:10 UTC

Technical Analysis

IBM Concert versions 1.0.0 through 3.0.0 contain a use-after-free vulnerability (CWE-416) where the software references or accesses memory after it has been freed. This memory corruption issue can be exploited by an attacker able to influence program execution or input, potentially leading to arbitrary code execution, denial of service, or application crashes. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed.

Potential Impact

Successful exploitation can lead to complete compromise of the affected IBM Concert application, including arbitrary code execution, full confidentiality, integrity, and availability impact. This can result in application crashes or system compromise.

Mitigation Recommendations

No official patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-04-23T17:54:01.469Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6ab43e93f7a7c54106550f83

Added to database: 09/23/2026, 21:03:15 UTC

Last enriched: 09/23/2026, 21:18:10 UTC

Last updated: 09/24/2026, 00:56:53 UTC

Views: 7

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