CVE-2026-16941: CWE-863 Incorrect Authorization
Description
IBM i 7.6, 7.5, and 7.4 could allow a remote authenticated attacker to modify certain system messages due to improper authorization.
CVSS v3.1
Score 4.3medium
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
IBM i versions 7.4, 7.5, and 7.6 contain an authorization flaw (CWE-863) that permits a remote authenticated attacker to modify specific system messages. The vulnerability requires low attack complexity and privileges but no user interaction. The CVSS 3.1 base score is 4.3, reflecting limited impact on integrity only. There is no indication of a vendor patch or official remediation in the provided data.
Potential Impact
An authenticated attacker with low privileges can modify certain system messages, impacting system integrity. There is no impact on confidentiality or availability. This could potentially lead to misleading system information but does not directly compromise sensitive data or system uptime.
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 authorized users only and monitor for unauthorized changes to system messages.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T07:52:09.302Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9af760acd9273b49e7788b
Added to database: 09/04/2026, 16:52:48 UTC
Last enriched: 09/14/2026, 23:51:42 UTC
Last updated: 10/18/2026, 06:48:15 UTC
Views: 81
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