CVE-2026-3482Network attack vector

Unauthenticated information disclosure via crafted HTTP request

Published Jul 22, 2026 · Updated Jul 22, 2026

Authorization bypass in IBM Sterling B2B Integrator and Sterling File Gateway allows remote attackers to read sensitive information. IBM maps the flaw to user-controlled-key authorization bypass but has not disclosed the affected HTTP endpoint or the access-control operation that accepts the crafted request. The affected ranges are 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; no account or user interaction is required, and IBM reports disclosure only.

CVSS severity5.3
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in IBM Sterling B2B Integrator and Sterling File Gateway allows remote attackers to read sensitive information. IBM maps the flaw to user-controlled-key authorization bypass but has not disclosed the affected HTTP endpoint or the access-control operation that accepts the crafted request. The affected ranges are 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; no account or user interaction is required, and IBM reports disclosure only.

The record

CVE
CVE-2026-3482
Published
Jul 22, 2026
Updated
Jul 22, 2026
Vendor
IBM
Product
IBM Sterling File Gateway
Classifications
CWE-639, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.2.0.0 <=6.2.0.5_2
  2. Affected versionversion=6.2.1.0 <=6.2.1.1_2
  3. Affected versionversion=6.2.2.0 <=6.2.2.0_1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Sterling File Gatewayversion=6.2.0.0 <=6.2.0.5_2; version=6.2.1.0 <=6.2.1.1_2; version=6.2.2.0 <=6.2.2.0_1
IBM · IBM Sterling B2B Integratorversion=6.2.0.0 <=6.2.0.5_2; version=6.2.1.0 <=6.2.1.1_2; version=6.2.2.0 <=6.2.2.0_1

Published CVSS scores

5.3IBM CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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