Critical Security Update for Resource Agents: CVE-2026-59886
Summary
RHSA-2026:58834: Red Hat Security Advisory: resource-agents security update. Affects resource-agents versions < 0:4.9.0-16.el8_6.24. Fixed in 0:4.9.0-16.el8_6.24. How to fix ↓
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Background
Resource Agents is a collection of scripts that manage resources in high-availability clusters, ensuring that services remain available even in the event of failures. It is an essential component for maintaining uptime and reliability in enterprise environments. The package is widely used in Red Hat Enterprise Linux (RHEL) environments, particularly in high-availability setups, making its security paramount.
Vulnerability Detail
The vulnerability identified as CVE-2026-59886 affects the Resource Agents package, allowing unauthorized access to critical system resources. This flaw can be exploited by attackers to disrupt services or gain elevated privileges, potentially leading to data breaches or system outages. The vulnerability arises from insufficient validation of user inputs, making it susceptible to various attack vectors.
How To Fix
Minimum fixed version
0:4.9.0-16.el8_6.24
This is the first release that contains the fix.
sudo dnf update resource-agentsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, you can restrict access to the affected services or implement additional firewall rules to limit exposure until the package can be updated. However, this is not a permanent solution and should only be used as a stopgap.
Conclusion
In summary, CVE-2026-59886 is a critical vulnerability in the Resource Agents package that poses significant risks to system security. It is crucial to apply the available patches promptly to mitigate these risks and maintain the integrity of your systems.
See every vulnerability recorded for resource-agents →
FAQ
CVE-2026-59886 is a security vulnerability in the Resource Agents package that allows unauthorized access to system resources.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploitation of this vulnerability could lead to service disruptions, unauthorized access, and potential data breaches.
Yes, a patched version of the Resource Agents package is available. Update to version 0:4.9.0-16.el8_6.24 or later.
The CVSS score for CVE-2026-59886 is 7.5, indicating a high severity level.
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