CVE-2026-6730

CRITICAL

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.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 9/23/2026Modified: 9/28/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2026-6730 — IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by im...

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.

CVE-2026-6730
NIST NVD

References (1)

https://www.ibm.com/support/pages/node/7288830Vendor Advisory