CVE-2026-18846

High

Open

TLP:CLEAR

IBM i is Affected By Multiple Vulnerabilities in Host Servers

NVD CVE.org

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Description

IBM i 7.6, 7.5, 7.4, and 7.3 s vulnerable to a buffer overflow from improperly validating client data. By sending malformed requests to one of the host servers, a remote attacker could leverage this vulnerability to cause a denial-of-server (DoS) for that server.

Details

CVSS Score: 7.5
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Aug 13, 2026
Last Modified: Aug 13, 2026

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