Obfuscation Vulnerability in IBM i Systems by IBM
CVE-2026-16693

4.4MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
4 September 2026

What is CVE-2026-16693?

A security issue in IBM i versions 7.6, 7.5, 7.4, and 7.3 exposes sensitive information to remote authenticated attackers. The vulnerability arises from the use of hardcoded cryptographic constants for obfuscating encryption keys, potentially enabling unauthorized access to critical data. It is essential for organizations using these systems to apply the necessary patches and review their security practices to mitigate risks.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7285846
vendor-advisorypatch

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.