XSS in Mi6 Intelligence Community Ui Kit Canary Web Components
CVE-2026-112290
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/aaronamran/Public-Vulnerability-Disclosures/blob/main/2026/dom-xss-m… (third-party-advisory)
- github.com/mi6/ic-ui-kit/blob/7b32c7c2b53b74a915f40984fb7b0a2d825fc49c/packages… (technical-description)
- github.com/mi6/ic-ui-kit/commit/e0eb0f16597dcb994a75c5230cd9243647ad7b3d (patch)
- www.vulncheck.com/advisories/mi6-ukic-canary-web-components-3.0.0-canary.12-bef… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112290?
- CVE-2026-112290 is a medium-severity vulnerability in Mi6 Intelligence Community Ui Kit Canary Web Components, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-10-19.
- How severe is CVE-2026-112290?
- Medium severity. CVSS v3 base score is 4.7 out of 10.