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CVE-2026-96146: IBM SevOne Network Performance Management Uncontrolled Resource Consumption Vulnerability

CVE-2026-96146 explained: high Uncontrolled Resource Consumption in IBM SevOne Network Performance Management. CVSS 7.5. Affected versions, detection, fixes and CTEM

Last updated: Nov 8, 2026

CVSS
7.5 HIGH
EPSS
n/a
CISA KEV
Not listed
CWE
CWE-400

Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS

CVE-2026-96146 Overview

IBM SevOne Network Performance Management 7.0.0 through 8.2.2 could allow a remote attacker to cause a denial of service due to uncontrolled resource consumption.

Critical Impact

Remote, unauthenticated attackers can exploit this Uncontrolled Resource Consumption in IBM SevOne Network Performance Management. The CVSS base score is 7.5 (High).

Affected Products

  • IBM SevOne Network Performance Management: see the vendor advisory for the exact affected versions

Discovery Timeline

  • 2026-11-08: CVE-2026-96146 published to the National Vulnerability Database by psirt@us.ibm.com
  • 2026-11-08: last updated in the NVD database

Technical Details for CVE-2026-96146

Vulnerability Analysis

CVE-2026-96146 is a Uncontrolled Resource Consumption weakness (CWE-400: Uncontrolled Resource Consumption) in IBM SevOne Network Performance Management. Based on its CVSS vector, the flaw can be reached over the network, needs no login, and needs no user interaction. An attacker can exhaust CPU, memory or connections.

With a CVSS base score of 7.5, apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Root Cause

The weakness is classified as CWE-400: Uncontrolled Resource Consumption. An attacker can exhaust CPU, memory or connections.

Attack Vector

Based on the CVSS vector, the flaw can be reached over the network, needs no login, and needs no user interaction. Attack complexity is low complexity.

No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.

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

Detection Methods for CVE-2026-96146

Detection Strategies

  • Inventory every instance of IBM SevOne Network Performance Management and compare the running version with the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Run an authenticated vulnerability scan once your scanner ships a check for this CVE.

Monitoring Recommendations

  • Forward IBM SevOne Network Performance Management application, access and audit logs to your SIEM for retrospective hunting.
  • Alert on new processes, configuration changes or outbound connections from the affected service.
  • Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.

How to Mitigate CVE-2026-96146

Immediate Actions Required

  • Apply the fixed version of IBM SevOne Network Performance Management named in the vendor advisory.
  • Prioritize internet facing and business critical instances first.
  • Rescan after the change to confirm the exposure is closed.

Patch Information

Use the fixed version listed in the vendor advisory for IBM SevOne Network Performance Management.

Workarounds

  • If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.

CWE References

Technical References

This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.

Frequently asked questions

CVE-2026-96146 is a high severity Uncontrolled Resource Consumption in IBM SevOne Network Performance Management with a CVSS score of 7.5. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

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