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CVE-2026-41178

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

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
open-telemetry / go.opentelemetry.io/otel/baggageaffected = 1.41.0; affected = 1.43.0
open-telemetry / go.opentelemetry.io/otel/propagationaffected = 1.41.0; affected = 1.43.0

CWE

CWE-789

References

ADP enrichment

CISA-ADP

No English description supplied.