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CVE-2026-2310— IBM webMethods Integration Server is vulnerable to an XML external entity injection (XXE) attack when processing XML data

Quick assessment

Affected
IBM webMethods Integration Server
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 webMethods Integration Server是美国IBM公司的一款支持应用集成、服务编排与消息交互的企业级中间件平台。 IBM webMethods Integration Server 11.1版本存在输入验证错误漏洞，该漏洞源于处理XML数据时容易受到XML外部实体注入攻击，可能导致远程攻击者泄露敏感信息或消耗内存资源。

CVSS 7.8 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM webMethods Integration Server 11.1 affected
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I. Basic Information for CVE-2026-2310

Vulnerability Information
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Vulnerability Title
IBM webMethods Integration Server is vulnerable to an XML external entity injection (XXE) attack when processing XML data
Source: CVE Program / CVE List V5
Vulnerability Description
IBM webMethods Integration Server 11.1 IBM webMethods Integration is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
XML注入(XPath盲注)
Source: CVE Program / CVE List V5
Vulnerability Title
IBM webMethods Integration Server 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM webMethods Integration Server是美国IBM公司的一款支持应用集成、服务编排与消息交互的企业级中间件平台。 IBM webMethods Integration Server 11.1版本存在输入验证错误漏洞，该漏洞源于处理XML数据时容易受到XML外部实体注入攻击，可能导致远程攻击者泄露敏感信息或消耗内存资源。
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 webMethods Integration Server 11.1 cpe:2.3:a:ibm:webmethods_integration_server:11.1:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2310

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III. Intelligence Information for CVE-2026-2310

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Vendor Advisories for CVE-2026-2310 (1)

Same Patch Batch · IBM · 2026-09-10 · 49 CVEs total

CVE-2026-81204 9.8 CRITICAL Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-78573 9.8 CRITICAL IBM ContextForge MCP Gateway is affected by use of default credentials
CVE-2026-85025 9.8 CRITICAL Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-79724 9.8 CRITICAL Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-82100 9.6 CRITICAL DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-82107 9.6 CRITICAL DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-80424 9.1 CRITICAL DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-19646 9.1 CRITICAL Multiple vulnerabilities affect IBM License Key Server Administration and Reporting Tool a
CVE-2026-81550 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-78575 8.8 HIGH Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-81211 8.8 HIGH Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-81941 8.8 HIGH Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-82099 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-82098 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-81551 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-81554 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-81940 8.8 HIGH Langflow is vulnerable to arbitrary code execution due to multiple incomplete code securit
CVE-2026-82092 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-82095 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
CVE-2026-82097 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Showing top 20 of 49 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: webMethods Integration Server
Same vendor: IBM
Same weakness: CWE-91

V. Comments for CVE-2026-2310

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