CVE-2026-45404

OpenTelemetry-Go versions 0.11.0 through 1.44.0 contain an unsynchronized extraBaggageItems map in the OpenTracing bridge's bridgeSpan. Because Go maps are not safe for concurrent read/write access, concurrent SetBaggageItem and correlation.MapFromContext calls on the same hooked bridgeSpan can t...

GHSA-42CJ-99W8-CP2P OpenTelemetry-Go: Unsynchronized baggage map can panic under concurrent access

Summary go.opentelemetry.io/otel/bridge/opentracing introduced an unsynchronized extraBaggageItems map on bridgeSpan. One goroutine can write this map through Span.SetBaggageItem while another goroutine reads and iterates it during correlation baggage propagation, which can trigger Go's fatal...

PT-2026-80733

Name of the Vulnerable Software and Affected Versions OpenTelemetry-Go versions 0.11.0 through 1.44.0 Description The OpenTracing bridge contains an unsynchronized extraBaggageItems map within the bridgeSpan component. Because Go maps do not support safe concurrent read and write access,...