Log in Start free

Vulnerability · Published Jul 22, 2026 · Assigned by ibm

CVE-2026-3482IBM Sterling B2B Integrator and IBM Sterling File Gateway Authorization Bypass

Medium 5.3

In plain English

A medium-severity authorization bypass via user-controlled key in Sterling B2B Integrator from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 60.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
IBM Sterling B2B Integrator 6.2.0.0 – through 6.2.0.5_26.2.1.0 – through 6.2.1.1_26.2.2.0 – through 6.2.2.0_1
IBM Sterling File Gateway 6.2.0.0 – through 6.2.0.5_26.2.1.0 – through 6.2.1.1_26.2.2.0 – through 6.2.2.0_1

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References