CVE-2026-54285

Name: CVE-2026-54285
Creator: NVD / NIST
Published: 2026-06-22T18:16:47.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.24%

Last modified Jun 23, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

Description

opentelemetry-js is the OpenTelemetry JavaScript Client. Prior to 2.8.0, W3CBaggagePropagator.extract() in @opentelemetry/core does not enforce size limits when parsing inbound baggage HTTP headers. The W3C Baggage specification recommends a maximum of 8,192 bytes and 180 entries; these limits were only enforced on the outbound (inject()) path, not on the inbound (extract()) path. Parsing oversized baggage causes memory allocation proportional to the header size without any cap. This vulnerability is fixed in 2.8.0.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.24%

14.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

References

https://github.com/open-telemetry/opentelemetry-js/security/advisories/GHSA-8988-4f7v-96qf

Timeline

Published: Jun 22, 2026
Last Modified: Jun 23, 2026
Status: Awaiting Analysis

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Source: NVD / NIST