Advisory severityMedium5.3Red Hat Linux

Medium [CVE-2026-55701] github.com/open-telemetry/opentelemetry-collector-contrib/receiver/githubreceiver: OpenTelemetry Collector Contrib githubreceiver: Unauthorized data injection via authentication bypass

This medium-severity Red Hat Linux advisory covers CVE-2026-55701; related products: Red Hat Hardened Images.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-55701 Source published Sep 15, 2026Source updated Sep 15, 2026

VulniPulse record published Sep 16, 2026Record updated Sep 23, 2026

CVE-2026-55701

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Summary

github.com/open-telemetry/opentelemetry-collector-contrib/receiver/githubreceiver: OpenTelemetry Collector Contrib githubreceiver: Unauthorized data injection via authentication bypass. Red Hat rates this moderate (CVSS 5.3).

Weakness: CWE-306. Red Hat lists fixing advisory RHSA-2026:63152 with package opentelemetry-collector-contrib-main-0.160.0-0.1.hum1.

Affected product named by the advisory: Red Hat Hardened Images.

Affected versions

< 0.151.0

Official advisory · high-confidence parse· fetched 16 days ago·verify at source

Fixed versions

opentelemetry-collector-contrib-main-0.160.0-0.1.hum1
RHSA-2026:63152

Official advisory · high-confidence parse· fetched 16 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

To prevent unauthorized data injection, configure the `githubreceiver` with a robust secret for HMAC validation. Ensure that the `Secret` field is never left empty in the `githubreceiver` configuration. If the `githubreceiver` is not essential for your deployment, disable or remove the component to eliminate this attack vector. A restart of the OpenTelemetry Collector may be required for configuration changes to take effect.

Official advisory · high-confidence parse· fetched 16 days ago·verify at source

Discussion(0)

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