Medium 5.3Published Aug 13, 2026

CVE-2026-18020IBM i is Affected By Multiple Vulnerabilities in NetServer

Updated under an hour ago (2026-10-19 08:23 UTC)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for IBM i

Exploited in the last 30 days

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: ibm
NVD analysis: Analyzed
Record last updated: Aug 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

IBM i ibm:i	7.6; 7.5; 7.4; 7.3	CNA record
ibm i ibm:i	7.3; 7.4; 7.5; 7.6	NVD

References

https://www.ibm.com/support/pages/node/7283573vendor-advisory, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.