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CVE-2026-44902— opentelemetry-js: Prometheus exporter process crash via malformed HTTP request

Quick assessment

Affected
open-telemetry opentelemetry-js
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.

opentelemetry-js是OpenTelemetry - CNCF开源的一个用于从应用程序收集追踪、指标和日志的框架。 opentelemetry-js 0.217.0之前版本存在安全漏洞，该漏洞源于Prometheus导出器端点对URL解析缺乏错误处理，可能导致单个畸形HTTP请求导致Node.js进程崩溃。

CVSS 7.5 · High EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 4

VendorProduct Version RangeStatus
@opentelemetry auto-instrumentations-node < 0.75.0 affected
@opentelemetry exporter-prometheus < 0.217.0 affected
@opentelemetry sdk-node < 0.217.0 affected
open-telemetry opentelemetry-js < 0.217.0 affected
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I. Basic Information for CVE-2026-44902

Vulnerability Information
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Vulnerability Title
opentelemetry-js: Prometheus exporter process crash via malformed HTTP request
Source: CVE Program / CVE List V5
Vulnerability Description
opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 0.217.0, a single malformed HTTP request crashes any Node.js process running the OpenTelemetry JS Prometheus exporter. The metrics endpoint (default 0.0.0.0:9464) has no error handling around URL parsing, so a request with an invalid URI causes an uncaught TypeError that terminates the process. This vulnerability is fixed in 0.217.0.
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
对异常条件的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
opentelemetry-js 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
opentelemetry-js是OpenTelemetry - CNCF开源的一个用于从应用程序收集追踪、指标和日志的框架。 opentelemetry-js 0.217.0之前版本存在安全漏洞，该漏洞源于Prometheus导出器端点对URL解析缺乏错误处理，可能导致单个畸形HTTP请求导致Node.js进程崩溃。
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
open-telemetry opentelemetry-js < 0.217.0 -
@opentelemetry exporter-prometheus < 0.217.0 -
@opentelemetry sdk-node < 0.217.0 -
@opentelemetry auto-instrumentations-node < 0.75.0 -

II. Public POCs for CVE-2026-44902

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6725 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-44902

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Vendor Advisories for CVE-2026-44902 (1)

IV. Related Vulnerabilities

Same product: opentelemetry-js
Same vendor: open-telemetry
Same weakness: CWE-755

V. Comments for CVE-2026-44902

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