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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16693
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-04 17:16:52 UTC
Updated2026-09-08 17:29:28 UTC
DescriptionIBM 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.

Risk And Classification

Primary CVSS: v3.1 4.9 MEDIUM from [email protected]

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

EPSS: 0.000700000 probability, percentile 0.000360000 (date 2026-09-07)

Problem Types: CWE-327 | CWE-327 CWE-327 Use of a Broken or Risky Cryptographic Algorithm

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
3.1[email protected]Secondary4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS4.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Ibm I 7.3 All All All
Operating System Ibm I 7.4 All All All
Operating System Ibm I 7.5 All All All
Operating System Ibm I 7.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM I affected 7.6 Not specified
CNA IBM I affected 7.5 Not specified
CNA IBM I affected 7.4 Not specified
CNA IBM I affected 7.3 Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7285846 [email protected] www.ibm.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: 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.

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