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CVE-2025-27415— Nuxt allows DOS via cache poisoning with payload rendering response

Quick assessment

Affected
nuxt nuxt
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.

Nuxt是Nuxt开源的一个免费的开源框架。 Nuxt 3.16.0之前版本存在安全漏洞，该漏洞源于通过向CDN后的服务器发送特制HTTP请求，可能在某些情况下毒化CDN缓存，严重影响站点的可用性。

CVSS 7.5 · High EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-27415

Vulnerability Information
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Vulnerability Title
Nuxt allows DOS via cache poisoning with payload rendering response
Source: CVE Program / CVE List V5
Vulnerability Description
Nuxt is an open-source web development framework for Vue.js. Prior to 3.16.0, by sending a crafted HTTP request to a server behind an CDN, it is possible in some circumstances to poison the CDN cache and highly impacts the availability of a site. It is possible to craft a request, such as https://mysite.com/?/_payload.json which will be rendered as JSON. If the CDN in front of a Nuxt site ignores the query string when determining whether to cache a route, then this JSON response could be served to future visitors to the site. An attacker can perform this attack to a vulnerable site in order to make a site unavailable indefinitely. It is also possible in the case where the cache will be reset to make a small script to send a request each X seconds (=caching duration) so that the cache is permanently poisoned making the site completely unavailable. This vulnerability is fixed in 3.16.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在可信数据中接受外来的不可信数据
Source: CVE Program / CVE List V5
Vulnerability Title
Nuxt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nuxt是Nuxt开源的一个免费的开源框架。 Nuxt 3.16.0之前版本存在安全漏洞，该漏洞源于通过向CDN后的服务器发送特制HTTP请求，可能在某些情况下毒化CDN缓存，严重影响站点的可用性。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nuxt nuxt >= 3.0.0, < 3.16.0 -

II. Public POCs for CVE-2025-27415

# POC Description Source Link Shenlong Link
1 Nuxt3 Acceptance of Extraneous Untrusted Data With Trusted Data vulnerability https://github.com/jiseoung/CVE-2025-27415-PoC POC Details
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6909 chars
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III. Intelligence Information for CVE-2025-27415

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Vendor Advisories for CVE-2025-27415 (1)

IV. Related Vulnerabilities

Same product: nuxt
Same vendor: nuxt
Same weakness: CWE-349

V. Comments for CVE-2025-27415

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