CVE-2026-3686

Local service interruption

Published Aug 28, 2026 · Updated Aug 28, 2026

Resource exhaustion in IBM Cloud Pak for Data System 11.3.0.2 through Interim Fix 001 allows local users to interrupt service. IBM has not disclosed the component, resource, or operation that lacks allocation limits. Local access is required, with no authentication or user interaction; the documented consequence is service interruption only.

CVSS severity6.2
Medium
EPSS probability0.12%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in IBM Cloud Pak for Data System 11.3.0.2 through Interim Fix 001 allows local users to interrupt service. IBM has not disclosed the component, resource, or operation that lacks allocation limits. Local access is required, with no authentication or user interaction; the documented consequence is service interruption only.

The record

CVE
CVE-2026-3686
Published
Aug 28, 2026
Updated
Aug 28, 2026
Vendor
IBM
Product
IBM Cloud Pak for Data System
Classifications
CWE-770
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 28, 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=11.3.0.2 <=Interim Fix 001

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · IBM Cloud Pak for Data Systemversion=11.3.0.2 <=Interim Fix 001

Published CVSS scores

6.2IBMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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