CVE-2026-18175

IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]

Published Sep 4, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to manipulate database transactions due to improper authorization in the DDM target dispatcher.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

IBM

affected

Version	Status	Constraints
`7.6`	affected	—
`7.5`	affected	—
`7.4`	affected	—
`7.3`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:ibm:i:7.3:::::::*
	cpe:2.3:o:ibm:i:7.4:::::::*
	cpe:2.3:o:ibm:i:7.5:::::::*
	cpe:2.3:o:ibm:i:7.6:::::::*

No data.

Vendor Product Versions

Ibm

Version	Status	Scheme	Platform
`7.6`	affected	generic	—
`7.5`	affected	generic	—
`7.4`	affected	generic	—
`7.3`	affected	generic	—

Remediation

Vendor Solution

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11231 SJ11230 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11231 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11230 7.5SJ11232 SJ11233 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11232 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11233 7.4SJ11262 SJ11261 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11262 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11261 7.3SJ11234 SJ11235 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11234 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11235 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.330% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://www.ibm.com/support/pages/node/7286186

History

Nov 10, 2026 9:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sep 8, 2026 8:00 PM Affected versions updated View changes

Type	Values Removed	Values Added
CPEs		cpe:2.3:o:ibm:i:7.3:::::::* cpe:2.3:o:ibm:i:7.4:::::::* cpe:2.3:o:ibm:i:7.5:::::::* cpe:2.3:o:ibm:i:7.6:::::::*

Sep 4, 2026 4:30 PM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to manipulate database transactions due to improper authorization in the DDM target dispatcher.
Title		IBM i is Affected By Improper Authorization and Authentication Vulnerabilities in DDM / DRDA [, ]
First Time appeared		Ibm Ibm i
Weaknesses		CWE-285
CPEs		cpe:2.3:a:ibm:i:7.3.0:::::::* cpe:2.3:a:ibm:i:7.3:::::::* cpe:2.3:a:ibm:i:7.4.0:::::::* cpe:2.3:a:ibm:i:7.4:::::::* cpe:2.3:a:ibm:i:7.5.0:::::::* cpe:2.3:a:ibm:i:7.5:::::::* cpe:2.3:a:ibm:i:7.6.0:::::::* cpe:2.3:a:ibm:i:7.6:::::::*
Vendors & Products		Ibm Ibm i
References		https://www.ibm.com/support/pages/node/7286186
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L'}`