CVE-2025-62426
🗓️ 21 Nov 2025 01:21:29Reported by GitHub_MType 
cve🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 74 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 26 |
|---|---|---|---|---|
 | vLLM Unlimited Resource Distribution DoS | 26 Nov 202500:00 | – | bdu_fstec |
 | CVE-2025-62426 vulnerabilities | 1 Dec 202519:44 | – | cgr |
 | CVE-2025-62426 | 21 Nov 202503:46 | – | circl |
 | vLLM security vulnerabilities | 21 Nov 202500:00 | – | cnnvd |
 | CVE-2025-62426 vLLM vulnerable to DoS via large Chat Completion or Tokenization requests with specially crafted `chat_template_kwargs` | 21 Nov 202501:21 | – | cvelist |
 | EUVD-2025-198356 | 21 Nov 202501:21 | – | euvd |
 | vLLM vulnerable to DoS via large Chat Completion or Tokenization requests with specially crafted `chat_template_kwargs` | 20 Nov 202521:26 | – | github |
 | CVE-2025-62426 | 21 Nov 202501:21 | – | mend |
 | CVE-2025-62426 | 21 Nov 202502:15 | – | nvd |
 | CGA-7FCP-FHXP-PVRF | 29 Jan 202600:44 | – | osv_cga |
10
[
{
"vendor": "vllm-project",
"product": "vllm",
"versions": [
{
"version": ">= 0.5.5, < 0.11.1",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| chat_template_kwargs | request body | /v1/chat/completions | The /v1/chat/completions endpoint allows a chat_template_kwargs request parameter that is used before proper validation, potentially leading to a Denial of Service (DoS) by blocking the API server. | CWE-770 |
| chat_template_kwargs | request body | /tokenize | The /tokenize endpoint allows a chat_template_kwargs request parameter that is used before proper validation, potentially leading to a Denial of Service (DoS) by blocking the API server. | CWE-770 |
Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
19 Oct 2026 13:10Current
6Medium risk
Vulners AI Score6
CVSS 3.16.5
EPSS0.00538
SSVC