Critical Security Update for Resource Agents Package: CVE-2026-59886
Summary
RHSA-2026:59329: Red Hat Security Advisory: resource-agents security update. Affects resource-agents versions < 0:4.1.1-61.el7_9.24. Fixed in 0:4.1.1-61.el7_9.24. How to fix ↓
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Background
The Resource Agents package is a collection of scripts that manage resources in a cluster environment, ensuring high availability and failover capabilities. It is widely used in enterprise environments, particularly those utilizing Red Hat Enterprise Linux. This package is crucial for maintaining the operational integrity of clustered applications and services. However, it has been identified to have a security vulnerability that could potentially compromise system stability and security.
Vulnerability Detail
CVE-2026-59886 is a security vulnerability affecting the Resource Agents package, which could allow an attacker to exploit the system's resource management capabilities. The vulnerability arises from insufficient validation of input parameters, which could lead to unauthorized access or manipulation of critical resources. If exploited, this vulnerability could result in denial of service or unauthorized control over cluster resources, severely impacting the availability and integrity of services running on affected systems.
How To Fix
Minimum fixed version
0:4.1.1-61.el7_9.24
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 workaround, you can limit access to the Resource Agents package by restricting user permissions and monitoring system logs for any unusual activity. However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The Resource Agents package has a critical vulnerability (CVE-2026-59886) that requires immediate attention. Updating to the patched version is essential to maintain system security and integrity. Utilize tools like Vulert to monitor your applications for vulnerabilities and ensure your systems are protected.
See every vulnerability recorded for resource-agents →
FAQ
CVE-2026-59886 is a security vulnerability in the Resource Agents package that could allow unauthorized access to cluster resources.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities. Visit Vulert Scanner to check if your application is affected without needing to sign up.
Failure to address this vulnerability could lead to unauthorized control over cluster resources, resulting in service disruptions and potential data loss.
Yes, if exploited, this vulnerability could lead to denial of service or unauthorized manipulation of resources, which may result in data loss.
The CVSS score for CVE-2026-59886 is 7.5, indicating a high severity level.
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