CVE-2026-17642: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2026-17642 is an OS command injection vulnerability affecting IBM i versions 7.3, 7.4, 7.5, and 7.6. It allows a remote authenticated attacker to execute arbitrary operating system commands due to improper neutralization of special elements in OS commands.
AI Analysis
Technical Summary
This vulnerability (CWE-78) in IBM i 7.3 through 7.6 arises from improper neutralization of special elements used in OS commands, enabling a remote attacker with authentication privileges to execute arbitrary commands on the system. The CVSS v3.1 score is 8.8, indicating high severity with network attack vector, low attack complexity, requiring privileges but no user interaction, and impacts confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could lead to full compromise of the affected IBM i system, including unauthorized command execution with the privileges of the authenticated user. This can result in complete system control, data compromise, and service disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. No official fix or temporary workaround is provided in the available data. Until a patch is available, restrict remote authenticated access and monitor for suspicious activity related to command execution.
CVE-2026-17642: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Description
CVE-2026-17642 is an OS command injection vulnerability affecting IBM i versions 7.3, 7.4, 7.5, and 7.6. It allows a remote authenticated attacker to execute arbitrary operating system commands due to improper neutralization of special elements in OS commands.
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:*:*:*:*:*:*:*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
This vulnerability (CWE-78) in IBM i 7.3 through 7.6 arises from improper neutralization of special elements used in OS commands, enabling a remote attacker with authentication privileges to execute arbitrary commands on the system. The CVSS v3.1 score is 8.8, indicating high severity with network attack vector, low attack complexity, requiring privileges but no user interaction, and impacts confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could lead to full compromise of the affected IBM i system, including unauthorized command execution with the privileges of the authenticated user. This can result in complete system control, data compromise, and service disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. No official fix or temporary workaround is provided in the available data. Until a patch is available, restrict remote authenticated access and monitor for suspicious activity related to command execution.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-27T21:51:43.277Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7cd122bf8831d53911cfbf
Added to database: 08/12/2026, 20:01:38 UTC
Last enriched: 08/12/2026, 21:41:51 UTC
Last updated: 08/12/2026, 23:01:14 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.