CVE-2026-16826: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
CVSS v3.1
Score 5.3medium
Affected software
IBM
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16826 describes an OS command injection vulnerability in IBM i versions 7.3 through 7.6. The flaw arises from improper neutralization of special elements used in OS commands, which could allow a local attacker with limited privileges to execute arbitrary commands on the affected system. The vulnerability does not require user interaction and affects confidentiality, integrity, and availability to a limited extent.
Potential Impact
A local attacker with low privileges can exploit this vulnerability to execute arbitrary OS commands, potentially leading to limited confidentiality, integrity, and availability impacts on the affected IBM i systems. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Until a patch is available, restrict local access to trusted users only and monitor for unusual command execution activity.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T02:21:54.836Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9af75eacd9273b49e77808
Added to database: 09/04/2026, 16:52:46 UTC
Last enriched: 09/14/2026, 23:57:56 UTC
Last updated: 10/18/2026, 18:48:18 UTC
Views: 87
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