Kit
CVE-2024-23641
HIGH
GHSA-g5m6-hxpp-fc49
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
SvelteKit is a web development kit. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 2 packages in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-20. SvelteKit is a web development kit. In SvelteKit 2, sending a GET request with a body eg {} to a built and previewed/hosted sveltekit app throws Request with GET/HEAD method cannot have body. and crashes the preview/hosting. After this happens, one must manually restart the app. TRACE requests will also cause the app to crash. Prerendered pages and SvelteKit 1 apps are not affected. @sveltejs/adapter-node versions 2.1.2, 3.0.3, and 4.0.1 and @sveltejs/kit version 2.4.3 contain a patch for this issue. Affected products include: Svelte Adapter-Node, Svelte Kit. Version information: version 2.4.3.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
SvelteKit is a web development kit. In SvelteKit 2, sending a GET request with a body eg {} to a built and previewed/hosted sveltekit app throws Request with GET/HEAD method cannot have body. and crashes the preview/hosting. After this happens, one must manually restart the app. TRACE requests will also cause the app to crash. Prerendered pages and SvelteKit 1 apps are not affected. @sveltejs/adapter-node versions 2.1.2, 3.0.3, and 4.0.1 and @sveltejs/kit version 2.4.3 contain a patch for this issue.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
Remote denial-of-service in @sveltejs/kit (versions ≤ 2.70.1) is achievable by any unauthenticated attacker who sends a
SvelteKit 2.19.0-2.49.4 has SSRF/DoS affecting applications with prerendered routes. Can be exploited to make the server
A path traversal vulnerability in SvelteKit's Vite preview server on Windows (versions 2.10.0 before 3.0.0) allows remot
Denial of service in SvelteKit versions 2.49.0 through 2.53.2 is achievable by unauthenticated remote attackers who subm
CPU exhaustion in SvelteKit's experimental remote form deserialization endpoint allows unauthenticated remote attackers
Memory exhaustion in @sveltejs/kit versions 2.49.0 through 2.52.1 allows unauthenticated remote attackers to crash the s
Request body size limit bypass in SvelteKit adapter-node allows unauthenticated attackers to submit oversized payloads,
SvelteKit versions 2.49.0 through 2.49.4 are vulnerable to denial-of-service attacks through the experimental form remot
Server-side request forgery in SvelteKit before 3.0.0 allows unauthenticated remote attackers to abuse the framework's s
Uncontrolled payload size acceptance in SvelteKit's remote form function handler allows unauthenticated remote attackers
SvelteKit versions prior to 2.57.1 are vulnerable to denial of service when the redirect() function is called from the h
Cross-user data disclosure in SvelteKit (npm/@sveltejs/kit versions 2.38.0 through 2.60.0) stems from a race condition i
Exploit-DB