CVE-2026-9171

highpriority · track · 0EPSS 0.005 · 46 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (46th) EPSS

CVSS 7.5 · high

Is it mine?

24 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@us.ibm.com USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400US

affected products (24)

Products and version ranges known to be affected.

IBM DevOps Code ClearCase 11.0all versionscert_bundDEcpe:/a:ibm:devops_code_clearcase:11.0
IBM MQall versionscert_bundDEcpe:/a:ibm:mq:-
IBM MQ Operatorall versionscert_bundDEcpe:/a:ibm:mq:operator
IBM Rational ClearCase 10.0.0all versionscert_bundDEcpe:/a:ibm:rational_clearcase:10.0.0
IBM Rational ClearCase 9.1all versionscert_bundDEcpe:/a:ibm:rational_clearcase:9.1
IBM Rational ClearQuest 10.0all versionscert_bundDEcpe:/a:ibm:rational_clearquest:10.0
IBM Rational ClearQuest 9.1all versionscert_bundDEcpe:/a:ibm:rational_clearquest:9.1
IBM SPSS Analytic Serverall versionscert_bundDEcpe:/a:ibm:spss:analytic_server
IBM TXSeries for multiplatformsall versionscert_bundDEcpe:/a:ibm:txseries:for_multiplatforms
IBM Tivoli Monitoringall versionscert_bundDEcpe:/a:ibm:tivoli_monitoring:-
IBM Tivoli Monitoring< 6.3.0.7 Service Pack 23cert_bundDE
IBM WebSphere Application Server< 8.5.5.30 PH71670cert_bundDE
IBM WebSphere Application Server< 8.5.5.31cert_bundDE
IBM WebSphere Application Server< 9.0.5.28 PH71670cert_bundDE
IBM WebSphere Application Server< 9.0.5.29cert_bundDE
IBM PowerVM Novalink≤ 2.3.02.3.0.12.3.12.3.2enisa_euvdEU
IBM PowerVM Novalink≤ 2.2.02.2.12.2.1.1enisa_euvdEU
ibm powervm novalink= 2.2.0nvdUScpe:2.3:a:ibm:powervm_novalink:*:*:*:*:*:*:*:*
ibm powervm novalink= 2.2.1nvdUScpe:2.3:a:ibm:powervm_novalink:*:*:*:*:*:*:*:*
ibm powervm novalink= 2.2.1.1nvdUScpe:2.3:a:ibm:powervm_novalink:*:*:*:*:*:*:*:*

showing 20 of 24

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2606IBM WebSphere Application Server: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2026-07-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM WebSphere Application Server ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2026-07-17modified 2026-10-24

references (3)

External citations — patches, advisories, analysis.

scry

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