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    CVE-2026-44902

    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.

    Published:May 27, 2026
    Last Modified:Aug 27, 2026
    EPS:May 27, 2026
    EPSS Score:0.00455
    CVSS Score:7.5

    Affected Products

    Vendor
    Opentelemetry
    Product
    Auto-instrumentations-node
    Vendor
    Opentelemetry
    Product
    Exporter-prometheus
    Vendor
    Opentelemetry
    Product
    Opentelemetry-js
    Vendor
    Opentelemetry
    Product
    Opentelemetry\/auto-instrumentations-node
    Vendor
    Opentelemetry
    Product
    Opentelemetry\/exporter-prometheus
    Vendor
    Opentelemetry
    Product
    Opentelemetry\/sdk-node
    Vendor
    Opentelemetry
    Product
    Sdk-node

    Exploits

    https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-q7rr-3cgh-j5r3https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-q7rr-3cgh-j5r3

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High