Remote Authentication Bypass in IBM i Monitoring Security Features
CVE-2026-17491

5.4MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
16 October 2026

What is CVE-2026-17491?

A security flaw has been identified in IBM i versions 7.3, 7.4, 7.5, and 7.6, which could enable remote authenticated attackers to bypass the ChrootDirectory configuration directive. This improper enforcement of security restrictions poses a risk, potentially allowing unauthorized access to sensitive areas of the system. It is crucial for users of the affected IBM i versions to review their security settings and apply necessary patches as outlined in the vendor advisory.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7292273
vendor-advisorypatch

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.