CVE-2026-6730 CRITICAL

CVE-2026-6730: Multiple Vulnerabilities in IBM Concert Software

Vendor Ibm
Product Concert
Weakness CWE-120
Published September 23, 2026
Last update September 24, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.

Key dates

02Disclosure timeline

September 23, 2026 CVE published
September 24, 2026 Record updated