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CVE-2026-112290— MI6 @ukic/canary-web-components 3.0.0-canary.12 before 3.0.0-canary.48 DOM XSS via ic-tree-item

Quick assessment

Affected
MI6 Intelligence Community UI Kit canary web components
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.

Intelligence Community UI Kit（@ukic/canary-web-components）在 3.0.0-canary.12 至 3.0.0-canary.48（不含）版本中，ic-tree-item 组件存在基于 DOM 的跨站脚本（XSS）漏洞。该漏洞源于对 router-item 插槽中的文本内容重新解析为 HTML。当启用树项截断功能时，能够影响树项标签的攻击者可利用 truncateTreeItemLabel() 函数将已转义的标记解码，从而在访问者浏览器中执行恶意 JavaSc

CVSS 4.7 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
MI6 Intelligence Community UI Kit canary web components 3.0.0-canary.12< 3.0.0-canary.48 affected
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I. Basic Information for CVE-2026-112290

Vulnerability Information
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Vulnerability Title
MI6 @ukic/canary-web-components 3.0.0-canary.12 before 3.0.0-canary.48 DOM XSS via ic-tree-item
Source: CVE Program / CVE List V5
Vulnerability Description
Intelligence Community UI Kit @ukic/canary-web-components 3.0.0-canary.12 before 3.0.0-canary.48 contains a DOM-based cross-site scripting vulnerability in ic-tree-item that re-parses router-item slot text as HTML. When tree item truncation is enabled, attackers who influence a tree item label can have escaped markup decoded by truncateTreeItemLabel() and executed as JavaScript in visitors' browsers.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
MI6 Intelligence Community UI Kit canary web components 3.0.0-canary.12 ~ 3.0.0-canary.48 -

II. Public POCs for CVE-2026-112290

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-112290

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Patches & Fixes for CVE-2026-112290 (1)

Vendor Advisories for CVE-2026-112290 (1)

Proof of Concept for CVE-2026-112290 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-112290

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