CVE-2026-41178
OpenTelemetry-Go's baggage parsing no longer caps raw header length
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-789 |
| Vendor | open-telemetry |
| Product | go.opentelemetry.io/otel/baggage |
| Published | Jun 4, 2026 |
| Last Updated | Jun 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
open-telemetry / go.opentelemetry.io/otel/baggage
= 1.41.0 = 1.43.0
open-telemetry / go.opentelemetry.io/otel/propagation
= 1.41.0 = 1.43.0