CVE-2026-17275

IBM i is Affected by an Improper Validation Vulnerability

Published Oct 16, 2026 CVSS 3.1 · 3.7 Low EPSS < 1% KEV · Not listed

Description

IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote attacker to perform unauthorized manipulation of distributed transactions due to improper validation of attacker-supplied transaction identifiers.

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:a:ibm:i:7.3:::::::*
	cpe:2.3:a:ibm:i:7.4:::::::*
	cpe:2.3:a:ibm:i:7.5:::::::*
	cpe:2.3:a:ibm:i:7.6:::::::*

No data.

Vendor Product Versions

Ibm

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

Remediation

Vendor Solution

IBM i Release5770-SS1 PTF Number(s)PTF Download Link(s)7.6SJ11429 SJ11543 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11429 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11543 7.5SJ11430 SJ11545 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11430 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11545 7.4SJ11431 SJ11546 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11431 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11546 7.3SJ11435 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11435 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 Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.189% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://www.ibm.com/support/pages/node/7292222

History

Oct 16, 2026 8:30 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'}`

Oct 16, 2026 7:00 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 7.3, 7.4, 7.5, and 7.6 could allow a remote attacker to perform unauthorized manipulation of distributed transactions due to improper validation of attacker-supplied transaction identifiers.
Title		IBM i is Affected by an Improper Validation Vulnerability
First Time appeared		Ibm Ibm i
Weaknesses		CWE-285
CPEs		cpe:2.3:a:ibm:i:7.3:::::::* cpe:2.3:a:ibm:i:7.4:::::::* cpe:2.3:a:ibm:i:7.5:::::::* cpe:2.3:a:ibm:i:7.6:::::::*
Vendors & Products		Ibm Ibm i
References		https://www.ibm.com/support/pages/node/7292222
Metrics		cvssV3_1 `{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}`