CVE-2026-3482: CWE-639 Authorization bypass through User-Controlled key in IBM Sterling B2B Integrator
IBM Sterling B2B Integrator and IBM Sterling File Gateway versions 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 contain a vulnerability that allows an unauthenticated user to bypass authentication and read sensitive information via a specially crafted HTTP request. This issue is classified as an authorization bypass due to user-controlled key manipulation (CWE-639). The vulnerability has a medium severity with a CVSS score of 5.3. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
CVE-2026-3482 is an authorization bypass vulnerability in IBM Sterling B2B Integrator and IBM Sterling File Gateway affecting specific versions from 6.2.0.0 through 6.2.2.0_1. The flaw allows unauthenticated attackers to read sensitive information by exploiting a user-controlled key in HTTP requests, bypassing normal authentication controls. The vulnerability is identified as CWE-639, indicating improper authorization checks. The CVSS 3.1 base score is 5.3, reflecting a medium severity with network attack vector, no privileges required, and no user interaction needed. No vendor advisory or patch is currently available, and no known exploits in the wild have been reported.
Potential Impact
An unauthenticated attacker can bypass authentication mechanisms and access sensitive information on affected IBM Sterling B2B Integrator and File Gateway systems. The impact is limited to confidentiality loss; integrity and availability are not affected. This could lead to unauthorized disclosure of sensitive data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should consider restricting network access to affected systems and monitor for suspicious HTTP requests that may attempt to exploit this vulnerability.
CVE-2026-3482: CWE-639 Authorization bypass through User-Controlled key in IBM Sterling B2B Integrator
Description
IBM Sterling B2B Integrator and IBM Sterling File Gateway versions 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 contain a vulnerability that allows an unauthenticated user to bypass authentication and read sensitive information via a specially crafted HTTP request. This issue is classified as an authorization bypass due to user-controlled key manipulation (CWE-639). The vulnerability has a medium severity with a CVSS score of 5.3. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 5.3medium
Affected software
pkg:maven/com.ibm/sterling-b2b-integratorRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-3482 is an authorization bypass vulnerability in IBM Sterling B2B Integrator and IBM Sterling File Gateway affecting specific versions from 6.2.0.0 through 6.2.2.0_1. The flaw allows unauthenticated attackers to read sensitive information by exploiting a user-controlled key in HTTP requests, bypassing normal authentication controls. The vulnerability is identified as CWE-639, indicating improper authorization checks. The CVSS 3.1 base score is 5.3, reflecting a medium severity with network attack vector, no privileges required, and no user interaction needed. No vendor advisory or patch is currently available, and no known exploits in the wild have been reported.
Potential Impact
An unauthenticated attacker can bypass authentication mechanisms and access sensitive information on affected IBM Sterling B2B Integrator and File Gateway systems. The impact is limited to confidentiality loss; integrity and availability are not affected. This could lead to unauthorized disclosure of sensitive data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, organizations should consider restricting network access to affected systems and monitor for suspicious HTTP requests that may attempt to exploit this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-03-03T14:50:55.686Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a610e399c2644c7f87e16c1
Added to database: 07/22/2026, 18:38:49 UTC
Last enriched: 07/30/2026, 05:23:50 UTC
Last updated: 09/04/2026, 10:52:08 UTC
Views: 142
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