IBM Sterling B2B/FG 6.x Remote Deletion of Communities
CVE-2026-1264 Published on March 17, 2026
IBM Sterling B2B Integrator and IBM Sterling File Gateway Improper Access Controls
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.
Vulnerability Analysis
CVE-2026-1264 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Type
Missing Authentication for Critical Function
The software does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Products Associated with CVE-2026-1264
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Affected Versions
IBM Sterling B2B Integrator:- Version 6.1.0.0, <= 6.1.2.7_2 is affected.
- Version 6.2.0.0, <= 6.2.0.5_1 is affected.
- Version 6.2.1.0, <= 6.2.1.1_1 is affected.
- Version 6.2.2.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.