CVE-2026-55701

A flaw was found in the OpenTelemetry Collector Contrib's githubreceiver component. An unauthenticated attacker can bypass authentication mechanisms, including required headers and HMAC validation, when the 'Secret' field is empty. This allows the attacker to submit arbitrary webhook payloads,...

DEBIAN-CVE-2026-55701

The OpenTelemetry Collector Contrib repository contains components for the OpenTelemetry Collector. Prior to 0.151.0, the githubreceiver validates the receiver/githubreceiver/config.go RequiredHeaders configuration at startup, but receiver/githubreceiver/tracereceiver.go handleReq does not check...

CVE-2026-55701

The OpenTelemetry Collector Contrib repository contains components for the OpenTelemetry Collector. Prior to 0.151.0, the githubreceiver validates the receiver/githubreceiver/config.go RequiredHeaders configuration at startup, but receiver/githubreceiver/tracereceiver.go handleReq does not check...

CVE-2026-55701

Removed by vendor...

CVE-2026-55701

The OpenTelemetry Collector Contrib githubreceiver component contains an authentication bypass. Prior to 0.151.0 , the handleReq() function in trace_receiver.go does not enforce the RequiredHeaders configuration on incoming webhook requests—those headers are only validated at startup in config.go...

CVE-2026-55701 OpenTelemetry githubreceiver silently ignores configured required_headers authentication

The OpenTelemetry Collector Contrib repository contains components for the OpenTelemetry Collector. Prior to 0.151.0, the githubreceiver validates the receiver/githubreceiver/config.go RequiredHeaders configuration at startup, but receiver/githubreceiver/tracereceiver.go handleReq does not check...

EUVD-2026-78778

The OpenTelemetry Collector Contrib repository contains components for the OpenTelemetry Collector. Prior to 0.151.0, the githubreceiver validates the receiver/githubreceiver/config.go RequiredHeaders configuration at startup, but receiver/githubreceiver/tracereceiver.go handleReq does not check...

CVE-2026-55701: Incorrect Authorization

The OpenTelemetry Collector Contrib repository contains components for the OpenTelemetry Collector. Prior to 0.151.0, the githubreceiver validates the receiver/githubreceiver/config.go RequiredHeaders configuration at startup, but receiver/githubreceiver/tracereceiver.go handleReq does not check...

CVE-2026-47256

OpenTelemetry, also known as OTel, is a vendor-neutral open source Observability framework for instrumenting, generating, collecting, and exporting telemetry data such as traces, metrics, and logs. Prior to 0.154.0, the Sentry exporter reads the remote OTLP sender-controlled service.name resource...

EUVD-2026-77692

OpenTelemetry, also known as OTel, is a vendor-neutral open source Observability framework for instrumenting, generating, collecting, and exporting telemetry data such as traces, metrics, and logs. Prior to 0.154.0, the Sentry exporter reads the remote OTLP sender-controlled service.name resource...

MiracleLinux 9 : opentelemetry-collector-0.152.1-2.el9_8 (AXSA:2026-1812:05)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1812:05 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service...

CLEANSTART-2026-TP13569 gRPC-Go is the Go language implementation of gRPC

Multiple security vulnerabilities affect the opentelemetry-collector-contrib package. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details...

AlmaLinux 10 : opentelemetry-collector (ALSA-2026:65116)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:65116 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service via...

AlmaLinux 9 : opentelemetry-collector (ALSA-2026:65117)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:65117 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service via...

RLSA-2026:65116 Important: opentelemetry-collector security update

Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry Security Fixes: net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service via crafted email inputs...

opentelemetry-collector security update

An update is available for opentelemetry-collector. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Collector with the supported components for a Rocky Enterpri...

RLSA-2026:65117 Important: opentelemetry-collector security update

Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry Security Fixes: net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service via crafted email inputs...

opentelemetry-collector security update

An update is available for opentelemetry-collector. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Collector with the supported components for a Rocky Enterpris...

RockyLinux 10 : opentelemetry-collector (RLSA-2026:65116)

The remote RockyLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RLSA-2026:65116 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service vi...

RockyLinux 9 : opentelemetry-collector (RLSA-2026:65117)

The remote RockyLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RLSA-2026:65117 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 net/mail: golang: Go net/mail: Denial of Service via...