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CVE-2026-13772— IBM WebSphere eXtreme Scale's OQL is affected by remote code execution

Quick assessment

Affected
IBM WebSphere Extreme Scale
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 WebSphere eXtreme Scale是美国IBM公司的一个弹性数据缓存和对象网格平台。 IBM WebSphere eXtreme Scale 8.6.1.0至8.6.1.6版本存在代码注入漏洞，该漏洞源于Object Query Language引擎在三个不同接收点（SELECT NEW、枚举字面量和基于反射的比较器）通过Class.forName()解析攻击者提供的类名并调用其构造函数，且无允许列表；允许经过身份验证的远程攻击者通过影响应用程序构建的OQL查询字符串，在WAS JVM

CVSS 7.5 · High EPSS 0.51% · P42

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM WebSphere Extreme Scale 8.6.1.0≤ 8.6.1.6 affected
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I. Basic Information for CVE-2026-13772

Vulnerability Information
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Vulnerability Title
IBM WebSphere eXtreme Scale's OQL is affected by remote code execution
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 's Object Query Language engine resolves attacker-supplied class names via Class.forName() and invokes their constructors with no allow-list at three distinct sinks (SELECT NEW, enum literals, and reflection-based comparators); an authenticated remote attacker who can influence an application-built OQL query string can execute arbitrary constructors on the WAS JVM, and a SELECT DISTINCT variant using planted grid values fires the same gadget post-readObject in a manner that survives JEP-290 serialization filters across grid node boundaries
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部可控制的输入来选择类或代码(不安全的反射)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM WebSphere eXtreme Scale 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM WebSphere eXtreme Scale是美国IBM公司的一个弹性数据缓存和对象网格平台。 IBM WebSphere eXtreme Scale 8.6.1.0至8.6.1.6版本存在代码注入漏洞，该漏洞源于Object Query Language引擎在三个不同接收点（SELECT NEW、枚举字面量和基于反射的比较器）通过Class.forName()解析攻击者提供的类名并调用其构造函数，且无允许列表；允许经过身份验证的远程攻击者通过影响应用程序构建的OQL查询字符串，在WAS JVM
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 Extreme Scale 8.6.1.0 ~ 8.6.1.6 cpe:2.3:a:ibm:websphere_extreme_scale:8.6.1.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-13772

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III. Intelligence Information for CVE-2026-13772

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Vendor Advisories for CVE-2026-13772 (1)

Same Patch Batch · IBM · 2026-06-30 · 43 CVEs total

CVE-2026-10134 10.0 CRITICAL Unauthenticated Server-Side RCE via PythonCodeStructuredTool in Public Flows
CVE-2026-7873 9.9 CRITICAL Code Injection Vulnerability in Code Validation Endpoint
CVE-2026-7871 9.8 CRITICAL Insecure Deserialization in Redis Cache Backend
CVE-2026-7803 9.8 CRITICAL Flow Validation Bypass via Empty Component Type Field
CVE-2026-10109 9.8 CRITICAL IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake h
CVE-2026-10140 9.6 CRITICAL Cross-Tenant API Key Reuse and Billing Fraud in Langflow Voice Mode Subsystem
CVE-2026-11708 9.3 CRITICAL IBM WebSphere Application Server is affected by a cross-site scripting vulnerability
CVE-2026-11712 9.3 CRITICAL IBM WebSphere Application Server is affected by a cross-site scripting vulnerability
CVE-2026-7874 9.1 CRITICAL Weak Cryptographic Key Derivation Exposed All Stored Credentials
CVE-2026-7663 9.1 CRITICAL Unauthenticated Cross-User MCP Resource Access and Tool Execution via Streamable Transport
CVE-2026-11714 8.5 HIGH IBM WebSphere Application Server Liberty is affected by an authorization bypass vulnerabil
CVE-2026-10129 8.5 HIGH SSRF via HTTP Redirect Following in Langflow API Request Component
CVE-2026-11594 8.5 HIGH IBM WebSphere Application Server is affected by multiple cross-site scripting vulnerabilit
CVE-2026-10560 8.2 HIGH Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS
CVE-2026-10564 8.2 HIGH SSRF Vulnerability in Langflow OSS Legacy Components Bypasses Protection
CVE-2025-36359 8.1 HIGH IBM DevOps Loop is susceptible to an Insufficient Session Expiration vulnerability.
CVE-2026-13449 7.6 HIGH XXE attack in IBM Business Automation Manager Open Editions
CVE-2026-13759 7.5 HIGH IBM WebSphere eXtreme Scale is affected by Insecure Deserilization
CVE-2026-11541 7.4 HIGH Inconsistent Interpretation of HTTP Requests in CICS Transaction Gateway for Multiplatform
CVE-2026-11806 7.2 HIGH IBM WebSphere Application Server Liberty is affected by a an arbitrary file read vulnerabi

Showing top 20 of 43 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: WebSphere Extreme Scale
Same vendor: IBM
Same weakness: CWE-470

V. Comments for CVE-2026-13772

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