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CVE-2026-14512— IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of sensitive information

Quick assessment

Affected
IBM WebSphere Application Server
Exploitation
Public or AI PoC available; prioritize validation
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是美国IBM公司的一个Web应用执行环境。 IBM WebSphere Application Server 9.0版本和8.5版本存在反序列化注入漏洞，该漏洞源于预身份验证不安全反序列化，可能导致远程攻击者绕过身份验证或执行任意代码。

CVSS 9.8 · Critical EPSS 0.57% · P46

Affected Version Matrix 2

VendorProduct Version RangeStatus
IBM WebSphere Application Server 9.0 affected
8.5 affected
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I. Basic Information for CVE-2026-14512

Vulnerability Information
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Vulnerability Title
IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of sensitive information
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server 9.0, and 8.5 traditional is vulnerable to pre-authentication unsafe deserialization which could allow a remote attacker to bypass authentication or execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
IBM WebSphere Application Server 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM websphere application server是美国IBM公司的一个Web应用执行环境。 IBM WebSphere Application Server 9.0版本和8.5版本存在反序列化注入漏洞，该漏洞源于预身份验证不安全反序列化，可能导致远程攻击者绕过身份验证或执行任意代码。
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 cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-14512

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 12839 chars
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Full executable POC code
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POC zip download
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III. Intelligence Information for CVE-2026-14512

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Vendor Advisories for CVE-2026-14512 (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-2026-14973 9.3 CRITICAL Path Traversal in IBM Desktop App
CVE-2026-14958 9.1 CRITICAL OS command injection in IBM Aspera Faspex
CVE-2026-14959 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-2026-15057 7.5 HIGH IBM WebSphere Application Server Liberty is affected by a denial of service vulnerability
CVE-2026-13463 7.5 HIGH Due to use of IBM Storage Protect, IBM Cloud Pak System is affected by vulnerability []
CVE-2026-15328 7.4 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty is inconsistent
CVE-2026-14528 7.4 HIGH IBM WebSphere Application Server is affected by an unsafe deserialization and exposure of
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-2026-14976 7.1 HIGH IBM WebSphere Application Server Liberty is affected by a remote code execution and path-s
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
Same vendor: IBM
Same weakness: CWE-502

V. Comments for CVE-2026-14512

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