Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-8620— IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins

Quick assessment

Affected
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Web Server Plug-ins for IBM WebSphere Application Server and IBM WebSphere Liberty是美国国际商业机器（IBM）公司的一个Web服务器集成插件组件。 IBM Web Server Plug-ins for IBM WebSphere Application Server and IBM WebSphere Liberty 8.5版本和9.0版本存在环境问题漏洞，该漏洞源于容易受到HTTP请求夹带攻击。

CVSS 7.5 · High EPSS 0.37% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0≤ Interim Fix 002 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-8620

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Web Server Plug-ins for IBM WebSphere Application Server and IBM WebSphere Liberty 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Web Server Plug-ins for IBM WebSphere Application Server and IBM WebSphere Liberty是美国国际商业机器（IBM）公司的一个Web服务器集成插件组件。 IBM Web Server Plug-ins for IBM WebSphere Application Server and IBM WebSphere Liberty 8.5版本和9.0版本存在环境问题漏洞，该漏洞源于容易受到HTTP请求夹带攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 ~ Interim Fix 002 cpe:2.3:a:ibm:web_server_plug_ins_for_websphere_application_server_and_websphere_liberty:8.5:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8620

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-8620

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-8620 (1)

Same Patch Batch · IBM · 2026-05-26 · 20 CVEs total

CVE-2026-3660 9.8 CRITICAL IBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to Authentication Byp
CVE-2026-8633 9.8 CRITICAL IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-8855 8.1 HIGH IBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-8834 8.0 HIGH IBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-8856 7.7 HIGH IBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-8850 7.5 HIGH IBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-8854 7.5 HIGH IBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-8835 7.3 HIGH IBM HTTP Server is affected by multiple vulnerabilities
CVE-2026-4051 7.2 HIGH IBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to Server Post-Auth R
CVE-2026-3603 7.1 HIGH IBM Engineering Lifecycle Management - Jazz Foundation is vulnerable to XML external entit
CVE-2025-36126 6.4 MEDIUM IBM Cognos Analytics is affected by Cross-site scripting.
CVE-2026-8852 6.2 MEDIUM IBM HTTP Server is affected by multiple vulnerabilities
CVE-2025-13755 5.5 MEDIUM IBM® Db2® is vulnerable to credential exposure in db2diag when executing specific testcase
CVE-2025-36148 5.4 MEDIUM IBM Financial Transaction Manager for SWIFT Services for Multiplatforms is vulnerable to c
CVE-2025-36145 5.4 MEDIUM Multiple Vulnerabilities in watsonx.data
CVE-2025-14290 5.4 MEDIUM IBM webMethods Integration Sever is vulnerable to server-side request forgery
CVE-2025-36221 5.3 MEDIUM Vulnerabilities exists in IBM Cloud Pak for Data System (CPDS 1.0) - Cyclops.
CVE-2025-36220 4.3 MEDIUM Vulnerabilities exists in IBM Cloud Pak for Data System (CPDS 1.0) - Cyclops.
CVE-2026-9170 IBM HTTP Server is affected by multiple vulnerabilities

IV. Related Vulnerabilities

Same product: Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty
Same vendor: IBM
Same weakness: CWE-444

V. Comments for CVE-2026-8620

No comments yet

Leave a comment