Riskcovery

CVE-2026-41178

OpenTelemetry-Go's baggage parsing no longer caps raw header length

State
Published
Severity
5.3 Medium
Published
Jun 4, 2026
Updated
Jun 4, 2026
Reserved
Apr 17, 2026

Read the record on cve.org

Description

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Versions 1.41.0 and 1.43.0 removed raw-length rejection and it causes `Parse` to process arbitrarily large/invalid baggage headers and log errors, enabling DoS via oversized inputs. Versions 1.42.0 and 1.44.0 fix the issue.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LGitHub_M

Weaknesses

  • CWE-789 Memory Allocation with Excessive Size Value

Affected Products

ProductVersions
go.opentelemetry.io/otel/baggageopen-telemetry
  • = 1.41.0Affected
  • = 1.43.0Affected
go.opentelemetry.io/otel/propagationopen-telemetry
  • = 1.41.0Affected
  • = 1.43.0Affected

References

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