Critical Security Update for OpenTelemetry Collector: Addressing Multiple Vulnerabilities
Summary
ALSA-2026:34357: Important: opentelemetry-collector security update. Affects opentelemetry-collector versions < 0.152.1-1.el10_2. Fixed in 0.152.1-1.el10_2. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
OpenTelemetry Collector is a key component in the OpenTelemetry ecosystem, designed to collect, process, and export telemetry data such as metrics and traces. It supports various components and is widely used in cloud-native applications for observability. However, recent vulnerabilities have been identified that could compromise its security and functionality, necessitating immediate attention from users.
Vulnerability Detail
The vulnerabilities in OpenTelemetry Collector stem from various components, including Prometheus and the Go net package. These issues include Denial of Service (DoS) attacks due to uncontrolled memory allocation, information disclosure of sensitive data, privilege escalation through incorrect processing, and arbitrary code execution via Cross-Site Scripting (XSS). Each of these vulnerabilities poses significant risks, potentially allowing attackers to disrupt services, access confidential information, or execute malicious code.
How To Fix
Minimum fixed version
0.152.1-1.el10_2
This is the first release that contains the fix.
sudo dnf update opentelemetry-collectorTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can limit access to the vulnerable endpoints and implement strict input validation to mitigate the risk of exploitation until the update is applied.
Conclusion
The identified vulnerabilities in OpenTelemetry Collector present significant risks that could impact the security and functionality of applications relying on this tool. Immediate action is required to update to the patched version and implement recommended workarounds to safeguard against potential exploits.
See every vulnerability recorded for opentelemetry-collector →
FAQ
The vulnerabilities include Denial of Service, information disclosure, privilege escalation, and arbitrary code execution.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by these vulnerabilities without needing to sign up.
It is highly recommended to update the OpenTelemetry Collector to version 0.152.1-1.el10_2 to mitigate the identified vulnerabilities.
Denial of Service (DoS) is an attack that aims to make a service unavailable. In this case, it can disrupt the functionality of the OpenTelemetry Collector, affecting data collection and processing.
Yes, certain vulnerabilities may lead to information disclosure, potentially exposing sensitive data such as OAuth client secrets.
Related vulnerabilities
Recent vulnerabilities recorded for opentelemetry-collector.
