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🛡️ CVE-2026-3482 — sterling-b2b-integrator

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-639 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2026-3482 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2026-3482 is recorded against 2 packages.

  • sterling-b2b-integrator (from 6.2.2.0 up to 6.2.2.0_1)
  • sterling-file-gateway (from 6.2.2.0 up to 6.2.2.0_1)

Timeline and source

Published on 22 July 2026 and last revised on 12 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.ibm.com

Other advisories for this package

sterling-b2b-integrator has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-639: Authorization Bypass Through User-Controlled Key) in other software:

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE CWE-639
Public Exploit ✅ No
Source NVD
Published 2026-07-22
Updated 2026-08-20
Modified 2026-08-12
Fix URL N/A

Affected Packages

Software From version Fixed in
sterling-b2b-integrator 6.2.2.0 6.2.2.0_1
sterling-file-gateway 6.2.2.0 6.2.2.0_1

Similar Threats

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