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IBMCVE-2026-19273

IBM Sterling: improper authentication

Medium5.4CVE-2026-19273 · Published Sep 14, 2026 · updated Sep 16, 2026

IBM Sterling B2B Integrator 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1 Standard Edition could allow a remote authenticated attacker to bypass security restrictions due to improper authentication.

IBM advisory

Affected versions

PackageAffectedFixed in
Sterling B2B Integrator
Product
>= 6.2.0.0, <= 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1No fix yet
Sterling File Gateway
Product
>= 6.2.0.0, <= 6.2.0.6_2, 6.2.1.0 - 6.2.1.2, 6.2.2.0 - 6.2.2.1No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-287

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