Description
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.
Published: 2026-06-04
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-5wrp-cwcj-q835 opentelemetry-go's baggage parsing no longer caps raw header length
History

Fri, 05 Jun 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Opentelemetry
Opentelemetry opentelemetry-go
Vendors & Products Opentelemetry
Opentelemetry opentelemetry-go

Thu, 04 Jun 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 04 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Description 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.
Title OpenTelemetry-Go's baggage parsing no longer caps raw header length
Weaknesses CWE-789
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


Subscriptions

Opentelemetry Opentelemetry-go
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-04T15:46:11.923Z

Reserved: 2026-04-17T16:34:45.526Z

Link: CVE-2026-41178

cve-icon Vulnrichment

Updated: 2026-06-04T15:45:59.567Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-06-04T16:16:37.297

Modified: 2026-06-04T17:16:32.550

Link: CVE-2026-41178

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-05T10:07:40Z

Weaknesses