CVE-2026-44902

HIGH

opentelemetry-js: Prometheus exporter process crash via malformed HTTP request

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0046
EPSS Percentile 35.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-755
Status published
Products (7)
@opentelemetry/auto-instrumentations-node < 0.75.0
@opentelemetry/exporter-prometheus < 0.217.0
@opentelemetry/sdk-node < 0.217.0
open-telemetry/opentelemetry-js < 0.217.0
opentelemetry/auto-instrumentations-node 0 - 0.75.0npm
opentelemetry/exporter-prometheus 0 - 0.217.0npm
opentelemetry/sdk-node 0 - 0.217.0npm
Published May 27, 2026
Tracked Since May 27, 2026