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CVE-2025-66562

Aiql Tuui remote code execution

9.6 CRITICALEPSS 0.52%
  1. Published5 Dec 2025

Description

TUUI is a desktop MCP client designed as a tool unitary utility integration. Prior to 1.3.4, a critical Remote Code Execution (RCE) vulnerability exists in Tuui due to an unsafe Cross-Site Scripting (XSS) flaw in the Markdown rendering component. Tuui allows the execution of arbitrary JavaScript within ECharts code blocks. Combined with an exposed IPC interface that allows spawning processes, an attacker can execute arbitrary system commands on the victim's machine simply by having them view a malicious Markdown message. This vulnerability is fixed in 1.3.4.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

Aiql Tuui< 1.3.4

Remediation

Fixed in
Aiql Tuui≥ 1.3.4

References

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Frequently asked

Is CVE-2025-66562 being actively exploited?

CVE-2025-66562 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.52%.

How severe is CVE-2025-66562?

CVE-2025-66562 has a CVSS 3.1 base score of 9.6, rated critical. EPSS estimates a 0.52% probability of exploitation.

Which products are affected by CVE-2025-66562?

Affected products include Aiql Tuui.

How do I fix CVE-2025-66562?

Upgrade affected software to a fixed version, for example Aiql Tuui 1.3.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-66562 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.