Medium severity · published Jul 22, 2026
CVE-2026-3482
IBM Sterling B2B Integrator and IBM Sterling File Gateway Authorization Bypass
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
IBM Sterling B2B Integrator and IBM Sterling File Gateway 6.2.0.0 through 6.2.0.5_2,  6.2.1.0 through 6.2.1.1_2, and  6.2.2.0 through 6.2.2.0_1 could allow an unauthenticated user to read sensitive information by bypassing authentication through a specially crafted HTTP request.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SB
Sterling B2B Integrator · IBM
6.2.0.0 through 6.2.0.5_2; 6.2.1.0 through 6.2.1.1_2; 6.2.2.0 through 6.2.2.0_1 · source: vendor, NVD
SF
Sterling File Gateway · IBM
6.2.0.0 through 6.2.0.5_2; 6.2.1.0 through 6.2.1.1_2; 6.2.2.0 through 6.2.2.0_1 · source: vendor, NVD
Affected product
SB
Sterling B2B Integrator
IBM
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