CVE-2026-59780 Apache Software Foundation CVE debrief

Who should care

Users of Apache CloudStack versions 4.2.0.0 through 4.20.3.0 and 4.21.0.0 through 4.22.1.0 should be aware of this vulnerability and take steps to mitigate it. This includes reviewing LDAP configurations, restricting access to the listLdapConfigurations API, and monitoring for unauthorized access to LDAP configurations. Security teams and administrators responsible for Apache CloudStack deployments should prioritize assessment and remediation efforts based on their specific environment and exposure to the vulnerability. Additionally, operators and platform administrators should ensure that proper compensating controls are in place while remediation is scheduled and verified. Vulnerability management teams should track exceptions and retest remediated assets to confirm the effectiveness of the mitigation strategies implemented. Those responsible for security monitoring, detection, and logs should check for exposed assets that need extra review and ensure that relevant monitoring and detection mechanisms are in place to identify potential exploitation attempts. Asset inventory managers should verify that accurate records of affected systems are maintained and updated throughout the remediation process. Those involved in change management and rollback processes should coordinate with relevant stakeholders to ensure that updates or mitigations are applied through normal change control procedures where exposure is confirmed. Lastly, source tracking and incident response teams should be prepared to investigate and respond to potential security incidents related to this vulnerability. This multi-faceted approach will help ensure a comprehensive response to the CVE-2026-59780 vulnerability within affected organizations. It is also recommended to consider implementing additional security measures such as enhanced monitoring, compensating controls, and asset inventory management to further mitigate the risk associated with this vulnerability. By taking these steps, organizations can reduce the risk of exposure and protect their Apache CloudStack deployments from potential exploitation. Furthermore, it is essential to stay informed about the latest developments and updates

Technical summary

The CVE-2026-59780 vulnerability is an Exposure of Sensitive Information to an Unauthorized Actor issue in Apache CloudStack's LDAP authentication plugin. LDAP configurations can be listed by any authenticated user with access to the listLdapConfigurations API. By default, this API is available to all default roles. The issue affects Apache CloudStack versions from 4.2.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Defensive priority

CVE-2026-59780 is rated as a high priority vulnerability due to exposure of sensitive information to unauthorized actors in Apache CloudStack's LDAP authentication plugin.

Recommended defensive actions

• Upgrade to version 4.20.3.1 or 4.22.1.1 or later
• Restrict access to the listLdapConfigurations API
• Monitor for unauthorized access to LDAP configurations
• Review LDAP configurations for potential exposure
• Implement additional security measures such as enhanced monitoring
• Verify asset inventory for affected systems
• Track changes to LDAP configurations

Evidence notes

Evidence is limited; primary official records indicate an Exposure of Sensitive Information vulnerability in Apache CloudStack's LDAP authentication plugin. The CVE-2026-59780 issue affects Apache CloudStack versions from 4.2.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.