CVE-2026-18671

MediumCVSS 5.3/10Last modified Aug 17, 2026

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to force a NetServer server thread exception, caused by an integer overflow during bounds checking in request processing. The attacker could exploit this vulnerability to cause a temporary denial of service.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-190

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
IBM	i	7.6; 7.5; 7.4; 7.3

References

https://www.ibm.com/support/pages/node/7283573Vendor Advisory

Timeline

Published: Aug 13, 2026
Last modified: Aug 17, 2026
NVD status: Undergoing Analysis

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