Compliance Impact

This vulnerability allows session inactivity timeouts to be bypassed due to automatic page reloading, which can enable an attacker to extend the duration of a compromised session. Such a flaw can lead to unauthorized access to sensitive information, impacting confidentiality and integrity.

Because many common standards and regulations like GDPR and HIPAA require strict controls on session management to protect personal and sensitive data, this vulnerability could negatively affect compliance by increasing the risk of unauthorized data access.

However, the issue was identified and fixed in version 4.0.260203.0 of the runZero Platform, mitigating the risk when the updated version is applied.

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Executive Summary

CVE-2026-5376 is a vulnerability in the runZero Platform where session inactivity timeouts fail to trigger because of automatic page reloading.

This means that even if a user is inactive, the session does not expire as expected, allowing the session to remain active longer than intended.

It is classified as CWE-613: Insufficient Control of Resources After Expiration or Release.

An attacker who has access to a compromised session cookie (for example, from an unlocked terminal) could exploit this flaw to extend the session duration beyond the normal timeout period.

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Impact Analysis

This vulnerability can impact you by allowing unauthorized users to maintain access to a session longer than intended.

If an attacker obtains a compromised session cookie, they could exploit the failure of session timeouts to keep the session active, potentially gaining prolonged access to sensitive information or system functions.

The vulnerability has a medium severity score (CVSS 5.9) with high impact on confidentiality and integrity, meaning sensitive data could be exposed or altered without detection.

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Detection Guidance

This vulnerability involves session inactivity timeouts failing to trigger due to automatic page reloading in the runZero Platform. Detection would involve monitoring session behavior to identify if sessions are persisting beyond expected timeout periods despite inactivity.

Since the issue is specific to the runZero Platform version prior to 4.0.260203.0, checking the platform version installed on your system is a primary step.

• Verify the runZero Platform version to confirm if it is older than 4.0.260203.0.
• Monitor session logs for unusually long session durations or sessions that do not expire after inactivity.
• Use network monitoring tools to detect repeated automatic page reloads that may be preventing session timeouts.

Specific commands are not provided in the available resources.

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Mitigation Strategies

The primary mitigation step is to upgrade the runZero Platform to version 4.0.260203.0 or later, where this vulnerability has been fixed.

Until the upgrade can be applied, consider limiting access to the platform to trusted users and environments, and monitor sessions closely for unusual activity or extended durations.

Ensure that session cookies and credentials are protected, especially on shared or unlocked terminals, to reduce the risk of session hijacking.

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