CVE-2026-39107

CVSS 6.3 MEDIUMEPSS 0.3%CWE-79

A Cross Site Scripting vulnerability exists in the Kimi AI v1.0 web interface's 'Preview' feature. The application fails to properly sanitize or encode HTML/JavaScript payloads generated by the AI model. When a user switches to the 'Preview' tab to view AI-generated code, the malicious payload is rendered directly into the DOM, leading to arbitrary JavaScript execution in the victim's browser session.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected products

n/a · n/a

public PoCs found — 1

githubgithub.com/MGTx2/CVE-2026-39107★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/MGTx2 https://github.com/MGTx2/CVE-2026-39107