---
id: CVE-2026-19273
title: >-
  IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2,
  6.2.2.0 - 6.2.2.1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.6_2,
  6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 Standard Edition could allow a remote
  authenticated…
summary: >-
  IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2,
  6.2.2.0 - 6.2.2.1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.6_2,
  6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 Standard Edition could allow a remote
  authenticated…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-287
vendor: IBM
product: Sterling B2B Integrator
affected:
  - >-
    sterling_b2b_integrator >= 6.2.0.0 <= 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0
    - 6.2.2.1
  - >-
    sterling_file_gateway >= 6.2.0.0 <= 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 -
    6.2.2.1
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:24:44.153'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-19273'
references:
  - url: 'https://www.ibm.com/support/pages/node/7287190'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00299
epssPercentile: 0.20149
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T17:24:38.805573Z'
ingestedAt: '2026-09-14T21:15:17.456Z'
---

## Overview

IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 Standard Edition could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.

## Remediation

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