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CVE-2026-4418— IBM Cloud Pak System HTML Injection

Quick assessment

Affected
IBM Cloud Pak System
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 Cloud Pak System 2.3.6.0 和 2.3.6.1 存在 HTML 注入漏洞。远程认证攻击者可注入恶意 HTML 代码，当受害者查看时，该代码将在受害者的 Web 浏览器中执行，并处于托管网站的安全上下文中。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
IBM Cloud Pak System 2.3.6.0 affected
2.3.6.1 affected
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I. Basic Information for CVE-2026-4418

Vulnerability Information
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Vulnerability Title
IBM Cloud Pak System HTML Injection
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Cloud Pak System 2.3.6.0, and 2.3.6.1 is vulnerable to HTML injection. A remotely authenticated attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Cloud Pak System 2.3.6.0 cpe:2.3:a:ibm:cloud_pak_system:2.3.6.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4418

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III. Intelligence Information for CVE-2026-4418

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Other References for CVE-2026-4418 (1)

Same Patch Batch · IBM · 2026-10-19 · 29 CVEs total

CVE-2026-10572 8.8 HIGH IBM MQ Buffer Overflow
CVE-2026-10574 8.8 HIGH IBM MQ Buffer Overflow
CVE-2026-10743 8.8 HIGH IBM MQ Race Condition
CVE-2026-12665 8.1 HIGH IBM MQ Buffer Overflow
CVE-2026-12148 7.5 HIGH IBM MQ Deserialization of Untrusted Data
CVE-2026-6719 7.5 HIGH IBM Concert Software Use of Insufficiently Random Values
CVE-2026-3295 7.4 HIGH IBM Cloud Pak System Cross-Site Scripting
CVE-2026-12350 6.5 MEDIUM IBM MQ Deserialization of Untrusted Data
CVE-2026-12343 6.5 MEDIUM IBM MQ Denial of Service
CVE-2026-12155 6.5 MEDIUM IBM MQ Deserialization of Untrusted Data
CVE-2026-11829 6.5 MEDIUM IBM MQ Buffer Overflow
CVE-2026-14511 6.5 MEDIUM IBM MQ Denial of Service
CVE-2023-38375 6.1 MEDIUM IBM Cloud Pak System Cross-Site Scripting
CVE-2026-4413 6.1 MEDIUM IBM Concert Software Cross-Site Scripting
CVE-2026-3161 5.9 MEDIUM IBM Cloud Pak System Risky Cryptographic Algorithm
CVE-2026-11828 5.9 MEDIUM IBM MQ Buffer Overflow
CVE-2026-11831 5.4 MEDIUM IBM MQ Heap-based Buffer Overflow
CVE-2026-15661 5.3 MEDIUM IBM Concert Software Improper Output Neutralization for Logs
CVE-2026-3628 5.3 MEDIUM IBM Concert Software Information Disclosure
CVE-2026-12670 5.3 MEDIUM IBM MQ Denial of Service

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cloud Pak System
Same vendor: IBM
Same weakness: CWE-80

V. Comments for CVE-2026-4418

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