CVE-2026-16856: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2026-16856 is a high-severity vulnerability in IBM i versions 7.5 and 7.6. It involves improper neutralization of special elements used in OS commands, which could allow a local attacker to gain elevated privileges on the affected system.
AI Analysis
Technical Summary
This vulnerability, classified as CWE-78 (OS Command Injection), affects IBM i versions 7.5 and 7.6. It arises from improper neutralization of special elements in OS commands, enabling a local attacker with some privileges to escalate their privileges further. The CVSS 3.1 base score is 8.8, indicating a high impact on confidentiality, integrity, and availability. No official patch or remediation level has been disclosed in the provided data, and no known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation could allow a local attacker to execute OS commands with elevated privileges, potentially leading to full system compromise, including unauthorized access, modification, or destruction of data and disruption of system availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to command execution. Follow IBM's official advisories for updates on patches or mitigations.
CVE-2026-16856: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Description
CVE-2026-16856 is a high-severity vulnerability in IBM i versions 7.5 and 7.6. It involves improper neutralization of special elements used in OS commands, which could allow a local attacker to gain elevated privileges on the affected system.
CVSS v3.1
Score 8.8high
Affected software
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:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, classified as CWE-78 (OS Command Injection), affects IBM i versions 7.5 and 7.6. It arises from improper neutralization of special elements in OS commands, enabling a local attacker with some privileges to escalate their privileges further. The CVSS 3.1 base score is 8.8, indicating a high impact on confidentiality, integrity, and availability. No official patch or remediation level has been disclosed in the provided data, and no known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation could allow a local attacker to execute OS commands with elevated privileges, potentially leading to full system compromise, including unauthorized access, modification, or destruction of data and disruption of system availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to command execution. Follow IBM's official advisories for updates on patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T03:35:23.171Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7cb3e6bf8831d539ed557f
Added to database: 08/12/2026, 17:56:54 UTC
Last enriched: 08/12/2026, 18:13:19 UTC
Last updated: 08/12/2026, 20:13:27 UTC
Views: 4
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