CVE-2026-6928

CRITICAL CVSS 3.1: 9.8
Updated Sep 24, 2026
IBM
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-416 (Use After Free)
Vendor IBM
Public PoC No

IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed. This allows an attacker who can influence program execution or input may exploit this condition to corrupt memory, cause application crashes, or execute arbitrary code.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products

ibm:concert