CVE-2026-9311— IBM WebSphere Application Server is affected by remote code execution
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| IBM | WebSphere Application Server | 9.0≤ 1.1.9.12 | affected |
8.5 | affected |
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I. Basic Information for CVE-2026-9311
Vulnerability Information
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Vulnerability Title
IBM WebSphere Application Server is affected by remote code execution
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM WebSphere Application Server（WAS） 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM WebSphere Application Server（WAS）是美国国际商业机器（IBM）公司的一款应用服务器产品。该产品是JavaEE和Web服务应用程序的平台，也是IBMWebSphere软件平台的基础。 IBM WebSphere Application Server 9.0版本和8.5版本存在代码注入漏洞，该漏洞源于绕过安全控制，可能导致远程代码执行。
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 | WebSphere Application Server | 9.0 ~ 1.1.9.12 | cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-9311
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-9311 (1)
Same Patch Batch · IBM · 2026-06-01 · 5 CVEs total
| CVE-2026-8644 | 9.1 CRITICAL | IBM WebSphere Application Server is affected by an identity spoofing vulnerability |
| CVE-2026-9319 | 9.0 CRITICAL | IBM WebSphere Application Server is affected by a remote code execution vulnerability |
| CVE-2026-7770 | 8.8 HIGH | IBM i Access Client Solutions (ACS) is vulnerable to remote code execution when configured |
| CVE-2026-9330 | 8.5 HIGH | IBM WebSphere Application Server is affected by remote code execution |
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V. Comments for CVE-2026-9311
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