CVE-2026-54285

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...

CVE-2026-54285

Opentelemetry-js (OpenTelemetry JavaScript client) is affected by CVE-2026-54285 through the W3CBaggagePropagator.extract() path in @opentelemetry/core prior to 2.8.0, where inbound baggage headers were not capped and could trigger memory allocation proportional to header size. The issue is fixed...

GHSA-8988-4F7V-96QF OpenTelemetry Core: Unbounded memory allocation in W3C Baggage propagation

Overview 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...

PT-2026-49598

Name of the Vulnerable Software and Affected Versions @opentelemetry/core versions prior to 2.8.0 Description The W3CBaggagePropagator.extract function in @opentelemetry/core fails to enforce size limits when parsing inbound baggage HTTP headers. While the W3C Baggage specification recommends a...