Remote Authentication Bypass in IBM Sterling B2B Integrator and File Gateway
CVE-2026-19273

5.4MEDIUM

Key Information:

Vendor

IBM
Status
Sterling B2b Integrator
Sterling File Gateway
Vendor
CVE Published:
14 September 2026

What is CVE-2026-19273?

A vulnerability in IBM Sterling B2B Integrator and Sterling File Gateway allows remote authenticated attackers to bypass security restrictions. This is due to improper authentication mechanisms present in specific versions of the products. Exploiting this vulnerability could enable unauthorized access to sensitive functionalities, leading to potential data exposure or other security risks. It is critical for users of these products to apply the necessary patches and ensure their systems are secure.

Affected Version(s)

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

References

https://www.ibm.com/support/pages/node/7287190
vendor-advisorypatch

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.