CVE-2026-19307

Improper Authorization vulnerability affects IBM Sterling B2B Integrator and IBM Sterling File Gateway

Published Nov 8, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
IBM Sterling B2B Integrator 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1, and IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.

Remediation

Vendor Solution

ProductVersionAPARRemediation & FixIBM Sterling B2B Integrator6.2.1.0 - 6.2.1.2_1IT49729 Apply 6.2.1.3 IBM Sterling File Gateway6.2.1.0 - 6.2.1.2_1IT49729 Apply 6.2.1.3 IBM Sterling B2B Integrator6.2.2.0 - 6.2.2.1_1IT49729 Apply 6.2.2.2IBM Sterling File Gateway6.2.2.0 - 6.2.2.1_1IT49729 Apply 6.2.2.2 The IIM versions of 6.2.1.3 and 6.2.2.2 are available on Fix Central http://www-933.ibm.com/support/fixcentral/swg/selectFixes .  The container versions of 6.2.1.3 and 6.2.2.2 are available in IBM Entitled Registry * cp.icr.io/cp/ibm-b2bi for IBM Sterling B2B Integrator * cp.icr.io/cp/ibm-sfg for IBM Sterling File Gateway

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM Sterling B2B Integrator 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1, and IBM Sterling File Gateway 6.2.1.0 through 6.2.1.2_1 and 6.2.2.0 through 6.2.2.1_1 Standard Edition could allow a remote authenticated attacker to access unauthorized pages due to improper authorization.
Title Improper Authorization vulnerability affects IBM Sterling B2B Integrator and IBM Sterling File Gateway
First Time appeared Ibm
Ibm sterling B2b Integrator
Ibm sterling File Gateway
Weaknesses CWE-285
CPEs cpe:2.3:a:ibm:sterling_b2b_integrator:6.2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_b2b_integrator:6.2.1.2_1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_file_gateway:6.2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_file_gateway:6.2.1.2_1:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm sterling B2b Integrator
Ibm sterling File Gateway
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Nov 9, 2026, 7:02 PM
Reserved
Aug 7, 2026, 5:40 PM
Status
Awaiting Analysis
Published
Nov 8, 2026, 7:17 PM
Modified
Nov 9, 2026, 7:17 PM