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CVE-2026-6730

9.8 CRITICAL

Published 2026-09-23 · Updated 2026-09-28

AI risk analysis

Summary
The flaw is a buffer overflow in IBM Concert 1.0.0 through 3.0.0 due to improper bounds checking, allowing a local user to execute arbitrary code. This vulnerability is critical as it can lead to full system compromise.
Exploitability
Exploitation is relatively straightforward for a local user with access to the affected system. No specific preconditions other than local access are required.
Blast radius
If exploited, the impact is high, as it allows the execution of arbitrary code, potentially leading to complete system compromise and loss of data or control.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Upgrade to IBM Concert 3.1.0 or later.
rcelocal-privilege-escalationbuffer-overflow

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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 vector

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

Weaknesses

CWE-120

Vendors

ibm, linux

Products

concert, linux kernel

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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