CVE-2026-8620

highpriority · track · 0EPSS 0.003 · 20 %ileDEEUNLUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.28% (20th) EPSS

CVSS 7.5 · high

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to HTTP request smuggling in the Web Server Plug-ins through a specially crafted request.

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:H/PR:N/UI:N/S:C/C:H/I:L/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:Nsecondary · psirt@us.ibm.com USexploitability 2.2 · impact 4.7

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

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:Nsecondary · NCSC-NL NL

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-444USCWE-444US

affected products (21)

Products and version ranges known to be affected.

IBM Business Automation Workflow 24.0.0-24.0.1all versionscert_bundDEcpe:/a:ibm:business_automation_workflow:24.0.0_-_24.0.1
IBM Business Automation Workflow 25.0.0-25.0.1all versionscert_bundDEcpe:/a:ibm:business_automation_workflow:25.0.0_-_25.0.1
IBM Maximo Asset Management 7.6.1.3all versionscert_bundDEcpe:/a:ibm:maximo_asset_management:7.6.1.3
IBM Rational ClearQuest 10.0-10.0.10all versionscert_bundDEcpe:/a:ibm:rational_clearquest:10.0_-_10.0.10
IBM Rational ClearQuest 9.1-9.1.0.11all versionscert_bundDEcpe:/a:ibm:rational_clearquest:9.1_-_9.1.0.11
IBM Tivoli Monitoringall versionscert_bundDEcpe:/a:ibm:tivoli_monitoring:-
IBM WebSphere Application Server <8.5.5.29 PH71342all versionscert_bundDE
IBM WebSphere Application Server <8.5.5.30all versionscert_bundDE
IBM WebSphere Application Server <9.0.5.27 PH71342all versionscert_bundDE
IBM WebSphere Application Server <9.0.5.28all versionscert_bundDE
IBM WebSphere Service Registry and Repository 8.5all versionscert_bundDEcpe:/a:ibm:websphere_service_registry_and_repository:8.5
IBM WebSphere Application Server< 8.5.5.29 PH71342cert_bundDE
IBM WebSphere Application Server< 8.5.5.30cert_bundDE
IBM WebSphere Application Server< 9.0.5.27 PH71342cert_bundDE
IBM WebSphere Application Server< 9.0.5.28cert_bundDE
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty≤ 8.5, 9.0 ≤Interim Fix 002enisa_euvdEU
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty≤ vers:unknown/*ncsc_nlNL
IBM WebSphere Application Server≤ vers:unknown/*ncsc_nlNL
IBM WebSphere Remote Server≤ vers:unknown/*ncsc_nlNL
ibm websphere application server8.5.0.0 → 8.5.5.30nvdUScpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0177Kwetsbaarheden verholpen in IBM WebSphere Application Server en WebSphere LibertyNL2026-06-08csaf · ncsc_nlNL
IBM heeft kwetsbaarheden verholpen in WebSphere Application Server en WebSphere Liberty versies 8.5 en 9.0.
WID-SEC-W-2026-1683IBM WebSphere Application Server: Mehrere SchwachstellenDeutsch2026-05-26csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM WebSphere Application Server ausnutzen, um Sicherheitsvorkehrungen zu umgehen und um beliebigen Programmcode auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-05-26modified 2026-07-23

references (3)

External citations — patches, advisories, analysis.

scry

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