CVE-2026-18193

IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime

Published Aug 13, 2026 CVSS 3.1 · 8.9 High EPSS < 1% KEV · Not listed

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.

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 strongly recommends addressing the vulnerability now. IBM i Release5770-JV1 PTF Number(s)PTF Download Link(s)7.6SJ11037 SJ11013 SJ11065 SJ11078 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11037 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11013 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11065 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11078 7.5SJ10990 SJ11014 SJ11042 SJ11066 SJ11080 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ10990 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11014 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11042 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11066 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11080 7.4SJ11016 SJ11041 SJ11064 SJ11081 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11016 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11041 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11064 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11081 7.3SJ11040 SJ11063 SJ11079 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11040 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11063 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11079 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 High

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% (0.453% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://www.ibm.com/support/pages/node/7283283

History

Aug 19, 2026 4:45 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:::::::*

Aug 14, 2026 6:30 PM Scoring metrics updated View changes

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

Aug 13, 2026 9:00 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 bypass security restrictions due to improper validation of user-controlled addresses.
Title		IBM i Is Affected By Multiple Vulnerabilities in IBM Java SDK and IBM Java Runtime
First Time appeared		Ibm Ibm i
Weaknesses		CWE-269
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/7283283
Metrics		cvssV3_1 `{'score': 8.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L'}`