CVE-2026-16693 PUBLISHED

IBM i is Affected By Cryptographic Algorithm Weakness in DCM []

Assigner: ibm
Reserved: 23.07.2026 Published: 04.09.2026 Updated: 04.09.2026

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to the use of hardcoded cryptographic constants to obfuscate encryption keys.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 4.4

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	IBM
Product	i
Versions	Version 7.6 is affected Version 7.5 is affected Version 7.4 is affected Version 7.3 is affected

Solutions

IBM i Release5770-SS1 Option 34 PTF Number(s)PTF Download Link(s)7.6SJ11156 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11156 7.5SJ11159 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11159 7.4SJ11158 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11158 7.3SJ11157 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11157

IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

References

https://www.ibm.com/support/pages/node/7285846

Problem Types

CWE-327 Use of a Broken or Risky Cryptographic Algorithm CWE