CVE-2026-44902

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

HIGH

7.5

CVSS Score

Published: May 27, 2026 at 02:49 PM UTC

Updated: August 27, 2026 at 04:31 PM UTC

4 products affected across 1 vendorOpentelemetry /auto Instrumentations NodeOpentelemetry /exporter PrometheusOpentelemetry /sdk Node

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opentelemetry /auto Instrumentations Node · Opentelemetry

95%

v < 0.75.0

Affected range stops below 0.75.0, so it looks safe — our inference, not a vendor statement

Opentelemetry /exporter Prometheus · Opentelemetry

95%

v < 0.217.0

Affected range stops below 0.217.0, so it looks safe — our inference, not a vendor statement

Opentelemetry /sdk Node · Opentelemetry

95%

v < 0.217.0

Affected range stops below 0.217.0, so it looks safe — our inference, not a vendor statement

Opentelemetry · Opentelemetrynuget

60%

v < 0.217.0

Affected range stops below 0.217.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

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

References (1)

x_refsource_CONFIRMExploitVendor Advisory

Source: [email protected]

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

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-755

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