Missing Authentication for Critical Function in IBM Sterling B2B Integrator and IBM Sterling File Gateway - CVE-2026-1264
Published: March 19, 2026
Vulnerability identifier: #VU124131
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-1264
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to view and delete the partners of a community and to delete the communities.
The vulnerability exists due to excessive data output by the application. A remote user can view and delete the partners of a community and delete the communities.
Affected software
IBM Sterling B2B Integrator
IBM Sterling File Gateway
IBM Sterling File Gateway
How to mitigate CVE-2026-1264
Install updates from vendor's website.
IBM Sterling B2B Integrator - addressed in versions 6.1.2.8, 6.2.0.5.2, 6.2.1.1.2, 6.2.2.0.1
IBM Sterling File Gateway - addressed in versions 6.1.2.8, 6.2.0.5.2, 6.2.1.1.2, 6.2.2.0.1
IBM Sterling File Gateway - addressed in versions 6.1.2.8, 6.2.0.5.2, 6.2.1.1.2, 6.2.2.0.1