CVE-2026-2311: CWE-284 Improper Access Control
IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check. A malicious actor could cause user-controlled code to run with administrator privilege.
AI Analysis
Technical Summary
This vulnerability in IBM i 7.2 to 7.6 arises from an invalid authorization check in the IBM i Web Administration GUI, classified under CWE-284 (Improper Access Control). It permits a user with existing privileges to escalate to administrator privileges by executing user-controlled code. The CVSS 3.1 base score is 6.4, reflecting network attack vector, high privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation allows privilege escalation to administrator level, potentially compromising system confidentiality, integrity, and availability. This could enable an attacker to execute arbitrary code with elevated privileges, significantly increasing the risk to affected IBM i systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the IBM i Web Administration GUI to trusted users only and monitor for suspicious activity related to privilege escalation attempts.
CVE-2026-2311: CWE-284 Improper Access Control
Description
IBM i 7.6, 7.5, 7.4, 7.3, and 7.2 s vulnerable to privilege escalation caused by an invalid IBM i Web Administration GUI authorization check. A malicious actor could cause user-controlled code to run with administrator privilege.
CVSS v3.1
Score 6.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in IBM i 7.2 to 7.6 arises from an invalid authorization check in the IBM i Web Administration GUI, classified under CWE-284 (Improper Access Control). It permits a user with existing privileges to escalate to administrator privileges by executing user-controlled code. The CVSS 3.1 base score is 6.4, reflecting network attack vector, high privileges required, user interaction needed, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation allows privilege escalation to administrator level, potentially compromising system confidentiality, integrity, and availability. This could enable an attacker to execute arbitrary code with elevated privileges, significantly increasing the risk to affected IBM i systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the IBM i Web Administration GUI to trusted users only and monitor for suspicious activity related to privilege escalation attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-02-10T21:39:52.444Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f3d25fcbff5d8610986848
Added to database: 4/30/2026, 10:06:23 PM
Last enriched: 5/8/2026, 2:10:04 AM
Last updated: 6/15/2026, 3:16:09 AM
Views: 76
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