Improper Authorization in IBM Sterling B2B Integrator and File Gateway
CVE-2026-19307

4.3MEDIUM

Key Information:

Vendor

IBM
Status
Sterling B2b Integrator
Sterling File Gateway
Vendor
CVE Published:
8 November 2026

What is CVE-2026-19307?

IBM Sterling B2B Integrator and IBM Sterling File Gateway versions 6.2.x may be susceptible to unauthorized access due to improper authorization checks. This vulnerability can allow a remote authenticated attacker to access restricted pages, potentially exposing sensitive data and system functionalities. Organizations using affected versions are encouraged to apply the latest patches and mitigate the risk.

Affected Version(s)

Sterling B2B Integrator 6.2.1.0 <= 6.2.1.2_1, 6.2.2.0 - 6.2.2.1_1

Sterling File Gateway 6.2.1.0 <= 6.2.1.2_1, 6.2.2.0 - 6.2.2.1_1

References

https://www.ibm.com/support/pages/node/7293157
vendor-advisorypatch

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.