Vulnerability Details CVE-2026-41178
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 33.3%
CVSS Severity
CVSS v3 Score 5.3
References
Products affected by CVE-2026-41178
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cpe:2.3:a:opentelemetry:opentelemetry:*
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cpe:2.3:a:opentelemetry:opentelemetry:1.43.0