Access Control Bypass in IBM i Navigator Application
CVE-2026-93744

6.5MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
20 October 2026

What is CVE-2026-93744?

IBM i versions 7.3 through 7.6 are impacted by a vulnerability that enables unauthenticated remote attackers to bypass security controls. By sending specifically crafted HTTP requests to any URL within the Navigator application, attackers can exploit improper access control mechanisms. This could lead to manipulation of the server-side session security state, posing a risk to data integrity and system stability.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7292223
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.