What’s Vulnerable › Vulnerabilities
CVE-2026-1264: IBM Sterling B2B Integrator and IBM Sterling File Gateway Improper Access Controls
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-17 · updated 2026-06-17
- Weakness: CWE-306
Description
IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.1.0.0 through 6.1.2.7_2, 6.2.0.0 through 6.2.0.5_1, 6.2.1.0 through 6.2.1.1_1, and 6.2.2.0 allows a remote unauthenticated attacker to view and delete the partners of a community and to delete the communities.
Affected products
- IBM Sterling B2B Integrator: from 6.1.0.0 before 6.1.2.8; from 6.2.0.0 before 6.2.0.5_2; from 6.2.1.0 before 6.2.1.1_2; 6.2.2.0 — fixed in 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2
- IBM Sterling File Gateway: from 6.1.0.0 before 6.1.2.8; from 6.2.0.0 before 6.2.0.5_2; from 6.2.1.0 before 6.2.1.1_2; 6.2.2.0 — fixed in 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2
How to fix
Upgrade to a fixed version: IBM Sterling B2B Integrator 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2; IBM Sterling File Gateway 6.1.2.8, 6.2.0.5_2, 6.2.1.1_2. Check the vendor advisory for mitigations.
References
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