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CVE-2026-44902

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

Published: May 27, 2026Updated: May 27, 2026 Sources: CVE List NVD
NVD MITRE
7.5CVSS
HIGH

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.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High

Weaknesses

CWE-755

Affected Products

opentelemetry-js
open-telemetry
exporter-prometheus
@opentelemetry
sdk-node
@opentelemetry
auto-instrumentations-node
@opentelemetry

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

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

Timeline

Published
May 27, 2026
Last Updated
May 27, 2026

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