Session Token Validation Flaw in IBM i Products
CVE-2026-17268

6.8MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-17268?

IBM i versions 7.6, 7.5, 7.4, and 7.3 are affected by a vulnerability that permits remote authenticated attackers to bypass security restrictions due to inadequate validation of session tokens. This flaw highlights the importance of stringent token validation mechanisms in ensuring system integrity and protecting sensitive data from unauthorized access.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283292
vendor-advisorypatch

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.