CVE-2026-6928 IBM Concert - Use After Free

IBM Concert 1.0.0 through 3.0.0 contains a use after free vulnerability caused by accessing memory after it has been freed, letting attackers corrupt memory, cause crashes, or execute arbitrary code, exploit requires attacker to influence program execution or input.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.45% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
Impact
Remote Code Execution, Denial Of Service, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-416

Vendor fix

Update to the latest version beyond 3.0.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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