CVE-2026-17248
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Denial of Service in IBM i via OS Command Injection

Publication date: 2026-08-12

Last updated on: 2026-08-12

Assigner: IBM Corporation

Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to cause a denial of service due to improper neutralization of special elements in an OS command.

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Meta Information

Published
2026-08-12
Last Modified
2026-08-12
Generated
2026-08-13
AI Q&A
2026-08-12
EPSS Evaluated
N/A
NVD
CVE-2026-17248
EUVD
EUVD-2026-57386

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
ibm ibm_i From 7.6 (inc)
ibm ibm_i From 7.5 (inc)
ibm ibm_i From 7.4 (inc)
ibm ibm_i From 7.3 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This vulnerability in IBM i 7.6, 7.5, 7.4, and 7.3 allows a remote authenticated attacker to cause a denial of service by exploiting improper neutralization of special elements in an OS command. This means the system fails to properly handle input that could alter command execution, leading to service disruption.

Impact Analysis

The vulnerability can lead to system unavailability due to a denial of service. An attacker could exploit this to crash or slow down the IBM i system, affecting normal operations and potentially causing downtime for users and services relying on the system.

Mitigation Strategies

Apply the appropriate PTF for your IBM i version: SJ10916 for 7.3, SJ10915 for 7.4, SJ10903 for 7.5, or SJ10899 for 7.6. If using an unsupported version, upgrade to a supported release.

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