---
id: CVE-2026-17057
title: >-
  IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial
  of service and affect data integrity due to missing authentication for
  critical functions.
summary: >-
  IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial
  of service and affect data integrity due to missing authentication for
  critical functions.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-306
vendor: ibm
product: i
affected:
  - i = 7.3
  - i = 7.4
  - i = 7.5
  - i = 7.6
published: '2026-09-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T18:17:35.417'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17057'
references:
  - url: 'https://www.ibm.com/support/pages/node/7285847'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-08T17:32:02.466349Z'
epss: 0.0038
epssPercentile: 0.29278
ingestedAt: '2026-09-08T15:33:26.962Z'
---

## Overview

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and affect data integrity due to missing authentication for critical functions.

## Affected

- `i = 7.3`
- `i = 7.4`
- `i = 7.5`
- `i = 7.6`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.