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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
open-telemetry go.opentelemetry.io/otel/baggage affected
Version Status Constraints
= 1.41.0 affected —
= 1.43.0 affected —
open-telemetry go.opentelemetry.io/otel/propagation affected
Version Status Constraints
= 1.41.0 affected —
= 1.43.0 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

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

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/open-telemetry/opentelemetry-go/pull/7880 cve-icon cve-icon
https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835 cve-icon cve-icon
History

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'}

Projects

Sign in to view the affected projects.

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

No data.

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-06-04T16:23:52.530

Link: CVE-2026-41178

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-04T16:30:06Z

Weaknesses