Critical Security Update for grafana-pcp: Addressing Multiple Vulnerabilities
Summary
ALSA-2026:11514: Important: grafana-pcp security update. Affects grafana-pcp versions < 5.1.1-14.el8_10. Fixed in 5.1.1-14.el8_10. How to fix ↓
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Background
The grafana-pcp package is a plugin for Grafana that integrates Performance Co-Pilot (PCP) metrics, providing users with scalable time series data from various sources such as pmseries and Redis. It includes live metrics and dashboards that facilitate monitoring and visualization of system performance. However, recent vulnerabilities have been identified that could compromise the security and stability of systems utilizing this package.
Vulnerability Detail
The vulnerabilities stem from issues within the Go programming language libraries used by grafana-pcp. Specifically, the vulnerabilities include: 1) CVE-2026-32282, where Root.Chmod can follow symlinks out of the root, potentially allowing unauthorized access to sensitive files. 2) CVE-2026-32283, which presents a Denial of Service risk through multiple TLS 1.3 key update messages, potentially disrupting secure communications. 3) CVE-2026-32280, which involves a Denial of Service vulnerability in certificate chain building, affecting the validation of certificates and potentially leading to security breaches.
How To Fix
Minimum fixed version
5.1.1-14.el8_10
This is the first release that contains the fix.
sudo dnf update grafana-pcp
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Workaround
As a temporary measure, users can restrict access to sensitive files and directories to mitigate the risk of unauthorized access until the package is updated. Additionally, monitoring network traffic for unusual patterns can help identify potential exploitation attempts.
Conclusion
In summary, the grafana-pcp package has critical vulnerabilities that require immediate attention. Users are advised to update to the latest patched version to ensure the security and stability of their systems. Implementing temporary workarounds can help mitigate risks until the update is applied.
See every vulnerability recorded for grafana-pcp →
FAQ
grafana-pcp is a plugin for Grafana that provides access to Performance Co-Pilot metrics, allowing users to visualize and monitor system performance through various data sources.
The main vulnerabilities include issues with symlink handling, Denial of Service risks in TLS communications, and vulnerabilities in certificate chain building.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by these vulnerabilities without needing to sign up.
If an immediate update is not possible, implement access restrictions on sensitive files and monitor network traffic for any suspicious activity as a temporary workaround.
For more details, refer to the CVE pages listed in the related section of the vulnerability report.
Related vulnerabilities
Recent vulnerabilities recorded for grafana-pcp.