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CVE-2026-14976— IBM WebSphere Application Server Liberty is affected by a remote code execution and path-segment injection vulnerability

Quick assessment

Affected
IBM WebSphere Application Server - 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 websphere application server liberty是美国IBM公司的一个应用服务器运行时环境。 IBM WebSphere Application Server Liberty 17.0.0.3版本至26.0.0.8版本存在授权问题漏洞，该漏洞源于collectiveController-1.0功能问题，可能导致远程代码执行。

CVSS 7.1 · High EPSS 0.61% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM WebSphere Application Server - Liberty 17.0.0.3≤ 26.0.0.8 affected
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I. Basic Information for CVE-2026-14976

Vulnerability Information
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Vulnerability Title
IBM WebSphere Application Server Liberty is affected by a remote code execution and path-segment injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.8 is affected by remote code execution with the collectiveController-1.0 feature enabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
IBM WebSphere Application Server Liberty 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM websphere application server liberty是美国IBM公司的一个应用服务器运行时环境。 IBM WebSphere Application Server Liberty 17.0.0.3版本至26.0.0.8版本存在授权问题漏洞，该漏洞源于collectiveController-1.0功能问题，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 - Liberty 17.0.0.3 ~ 26.0.0.8 cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14976

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III. Intelligence Information for CVE-2026-14976

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Vendor Advisories for CVE-2026-14976 (1)

Same Patch Batch · IBM · 2026-07-28 · 31 CVEs total

CVE-2026-14446 9.8 CRITICAL IBM WebSphere Application Server is affected by a privilege escalation
CVE-2026-14512 9.8 CRITICAL IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of
CVE-2026-14973 9.3 CRITICAL Path Traversal in IBM Desktop App
CVE-2026-14959 9.1 CRITICAL OS Command Injection in IBM Aspera Faspex
CVE-2026-14958 9.1 CRITICAL OS command injection in IBM Aspera Faspex
CVE-2026-15064 8.7 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-15325 8.7 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-14996 8.2 HIGH Multiple vulnerabilities in IBM Aspera Faspex
CVE-2026-14974 8.1 HIGH IBM WebSphere Application Server is affected by cross-site scripting and deserialization v
CVE-2026-7769 8.1 HIGH SQL injection Security Vulnerability in IBM Sterling B2B Integrator and IBM Sterling File
CVE-2026-14981 7.5 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-15280 7.5 HIGH IBM WebSphere Application Server Liberty is affected by a remote code execution and path-s
CVE-2026-13463 7.5 HIGH Due to use of IBM Storage Protect, IBM Cloud Pak System is affected by vulnerability []
CVE-2026-15057 7.5 HIGH IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability
CVE-2026-14528 7.4 HIGH IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of
CVE-2026-15328 7.4 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty is inconsistent
CVE-2026-14893 7.3 HIGH IBM Instana Observability is affected by multiple Prototype Pollution within Instana Agent
CVE-2026-13442 7.1 HIGH Langflow is affected by NET Misconfiguration: Use of Impersonation due to multiple unauthe
CVE-2026-16192 7.1 HIGH IBM WebSphere Application Server Liberty is affected by a denial of service
CVE-2026-16184 7.0 HIGH IBM WebSphere Application Server is affected by an authentication bypass

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: WebSphere Application Server - Liberty
Same vendor: IBM
Same weakness: CWE-306

V. Comments for CVE-2026-14976

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