CVE-2026-16941
Received Received - Intake

Improper Authorization in IBM i System Messages

Vulnerability report for CVE-2026-16941, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: IBM Corporation

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 Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-05
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
ibm i 7.6
ibm i 7.5
ibm i 7.4

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in IBM i 7.6, 7.5, and 7.4 allows a remote authenticated attacker to modify certain system messages due to improper authorization checks.

Impact Analysis

An attacker could alter system messages, potentially misleading users or administrators about system status or security events. This could lead to confusion, incorrect actions, or delayed responses to actual security incidents.

Mitigation Strategies

Apply IBM i PTFs or updates to address improper authorization in system messages. Review and restrict user permissions to prevent unauthorized modifications. Monitor system logs for unusual activity related to message changes.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-16941. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart