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CVE-2026-3482— IBM Sterling B2B Integrator and IBM Sterling File Gateway Authorization Bypass

Quick assessment

Affected
IBM Sterling B2B Integrator
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM sterling b2b integrator是美国IBM公司的一个B2B集成平台。 IBM Sterling B2B Integrator和IBM Sterling File Gateway 6.2.0.0版本、6.2.1.0版本和6.2.2.0版本及之前版本存在授权问题漏洞，该漏洞源于未授权用户通过特制的HTTP请求绕过身份验证，可能导致读取敏感信息。

CVSS 5.3 · Medium EPSS 0.46% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 6

VendorProduct Version RangeStatus
IBM Sterling B2B Integrator 6.2.0.0≤ 6.2.0.5_2 affected
6.2.1.0≤ 6.2.1.1_2 affected
6.2.2.0≤ 6.2.2.0_1 affected
IBM Sterling File Gateway 6.2.0.0≤ 6.2.0.5_2 affected
6.2.1.0≤ 6.2.1.1_2 affected
6.2.2.0≤ 6.2.2.0_1 affected
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I. Basic Information for CVE-2026-3482

Vulnerability Information
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Vulnerability Title
IBM Sterling B2B Integrator and IBM Sterling File Gateway Authorization Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.5_2,  6.2.1.0 through 6.2.1.1_2, and  6.2.2.0 through 6.2.2.0_1 could allow an unauthenticated user to read sensitive information by bypassing authentication through a specially crafted HTTP request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Sterling B2B Integrator 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM sterling b2b integrator是美国IBM公司的一个B2B集成平台。 IBM Sterling B2B Integrator和IBM Sterling File Gateway 6.2.0.0版本、6.2.1.0版本和6.2.2.0版本及之前版本存在授权问题漏洞，该漏洞源于未授权用户通过特制的HTTP请求绕过身份验证，可能导致读取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Sterling B2B Integrator 6.2.0.0 ~ 6.2.0.5_2 -
IBM Sterling File Gateway 6.2.0.0 ~ 6.2.0.5_2 -

II. Public POCs for CVE-2026-3482

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III. Intelligence Information for CVE-2026-3482

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Vendor Advisories for CVE-2026-3482 (1)

IV. Related Vulnerabilities

Same product: Sterling B2B Integrator
Same vendor: IBM
Same weakness: CWE-639

V. Comments for CVE-2026-3482

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