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CVE-2026-93905— IBM WebSphere Application Server Liberty is affected by a deserialization of untrusted data

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 17.0.0.3 至 26.0.0.10 版本中,未经验证的远程攻击者可能通过特定手段篡改持久化的批量作业实例状态信息。 详细说明: 1. 受影响产品范围:涵盖IBM WebSphere Application Server - Liberty的多个版本,具体为从17.0.0.3到26.0.0.10的所有中间版本。 2. 漏洞本质:该漏洞属于权限绕过型漏洞,攻击者无需认证即可访问系统核心功能模块。 3. 攻击路径:远程攻击者通过网

CVSS 8.2 · High EPSS 0.33% · P25

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≤ 26.0.0.10 affected
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I. Basic Information for CVE-2026-93905

Vulnerability Information

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Vulnerability Title
IBM WebSphere Application Server Liberty is affected by a deserialization of untrusted data
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 could allow an unauthenticated remote attacker to corrupt the persisted status of batch job instances.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM WebSphere Application Server - Liberty 17.0.0.3 ~ 26.0.0.10 cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-93905

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III. Intelligence Information for CVE-2026-93905

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Vendor Advisories for CVE-2026-93905 (1)

Same Patch Batch · IBM · 2026-10-13 · 18 CVEs total

CVE-2026-53709 9.8 CRITICAL MCP Context Forge: Hardcoded default JWT_SECRET_KEY shipped in source and .env.example ena
CVE-2026-93895 9.1 CRITICAL IBM WebSphere Application Server Liberty Improper Access Control
CVE-2026-93909 9.1 CRITICAL IBM WebSphere Application Server Liberty is affected by an authentication bypass
CVE-2026-101294 8.7 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-105443 8.2 HIGH IBM WebSphere Application Server Liberty is affected by an improper access control
CVE-2026-93907 8.1 HIGH IBM WebSphere Application Server is affected by a bypass authentication vulnerability
CVE-2026-95680 8.0 HIGH IBM WebSphere Application Server is affected by an authorization bypass
CVE-2026-103499 7.5 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-105442 7.5 HIGH IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by
CVE-2026-95695 7.4 HIGH IBM WebSphere Application Server Liberty Incorrect Authorization
CVE-2026-14909 6.5 MEDIUM IBM WebSphere Application Server Liberty Information Disclosure
CVE-2026-77816 6.5 MEDIUM IBM WebSphere Application Server Liberty Improper Certificate Validation
CVE-2026-95696 6.5 MEDIUM IBM WebSphere Application Server Liberty Denial of Service
CVE-2026-79715 5.5 MEDIUM IBM WebSphere Application Server Liberty Path Traversal
CVE-2026-11713 5.4 MEDIUM IBM WebSphere Application Server Liberty Incorrect Authorization
CVE-2026-53711 5.1 MEDIUM MCP ContextForge: Global Prompts stored cross-site scripting compromises the Admin UI
CVE-2026-14532 4.3 MEDIUM IBM WebSphere Application Server Liberty Integer Overflow

IV. Related Vulnerabilities

V. Comments for CVE-2026-93905

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