CVE-2026-41178

Summary

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 Software

VendorProductVersion RangeStatus
open-telemetrygo.opentelemetry.io/otel/baggage= 1.41.0affected
open-telemetrygo.opentelemetry.io/otel/baggage= 1.43.0affected
open-telemetrygo.opentelemetry.io/otel/propagation= 1.41.0affected
open-telemetrygo.opentelemetry.io/otel/propagation= 1.43.0affected

Weaknesses

  • CWE-789: CWE-789: Memory Allocation with Excessive Size Value

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

Additional References

References