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go.opentelemetry.io/otel (Go)

OpenTelemetry Go API and SDK

Advisories
4
Latest version
v1.47.0
Released Oct 2, 2026
License
Apache-2.0, BSD-3-Clause
OpenSSF Scorecard
9.2 / 10

How to fix

Upgrading to 1.44.0 or later clears every advisory below that has a fix.

Upgrade commands
go
go get go.opentelemetry.io/otel@v1.47.0 && go mod tidy

Known vulnerabilities

AdvisorySeverityAffectedFixed in
GO-2026-5158
opentelemetry-go's baggage parsing no longer caps raw header length
 Medium
EPSS 0.34%
>= 1.41.0, < 1.42.0
>= 1.43.0, < 1.44.0
1.42.0
1.44.0
GHSA-mh2q-q3fh-2475
OpenTelemetry-Go: multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)
 High
EPSS 0.79%
>= 1.36.0, < 1.41.0
1.41.0
GHSA-mh2q-q3fh-2475
OpenTelemetry-Go: multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)
 High
EPSS 0.79%
>= 1.36.0, <= 1.40.0
No fix yet
GHSA-mh2q-q3fh-2475
OpenTelemetry-Go: multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)
 High
EPSS 0.79%
>= 1.36.0, < 1.41.0
1.41.0

Source: https://github.com/open-telemetry/opentelemetry-go

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