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CVE-2025-24964— Remote Code Execution when accessing a malicious website while Vitest API server is listening

Quick assessment

Affected
vitest-dev vitest
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vitest是Vitest开源的一个 Vite 支持的下一代测试框架。 Vitest存在安全漏洞，该漏洞源于容易受到任意远程代码执行攻击。

CVSS 9.7 · Critical EPSS 0.68% · P49
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I. Basic Information for CVE-2025-24964

Vulnerability Information
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Vulnerability Title
Remote Code Execution when accessing a malicious website while Vitest API server is listening
Source: CVE Program / CVE List V5
Vulnerability Description
Vitest is a testing framework powered by Vite. Affected versions are subject to arbitrary remote Code Execution when accessing a malicious website while Vitest API server is listening by Cross-site WebSocket hijacking (CSWSH) attacks. When `api` option is enabled (Vitest UI enables it), Vitest starts a WebSocket server. This WebSocket server did not check Origin header and did not have any authorization mechanism and was vulnerable to CSWSH attacks. This WebSocket server has `saveTestFile` API that can edit a test file and `rerun` API that can rerun the tests. An attacker can execute arbitrary code by injecting a code in a test file by the `saveTestFile` API and then running that file by calling the `rerun` API. This vulnerability can result in remote code execution for users that are using Vitest serve API. This issue has been patched in versions 1.6.1, 2.1.9 and 3.0.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1385
Source: CVE Program / CVE List V5
Vulnerability Title
Vitest 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vitest是Vitest开源的一个 Vite 支持的下一代测试框架。 Vitest存在安全漏洞，该漏洞源于容易受到任意远程代码执行攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
vitest-dev vitest <= 0.0.125 -

II. Public POCs for CVE-2025-24964

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9307 chars
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III. Intelligence Information for CVE-2025-24964

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Patches & Fixes for CVE-2025-24964 (1)

Vendor Advisories for CVE-2025-24964 (1)

Other References for CVE-2025-24964 (2)

IV. Related Vulnerabilities

Same product: vitest
Same vendor: vitest-dev
Same weakness: CWE-1385

V. Comments for CVE-2025-24964

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