CVE-2026-76211 thorsten CVE debrief

Who should care

Administrators and users of phpMyFAQ versions before 4.1.7 who require protection for administrative data. Affected deployments may expose sensitive information, such as LDAP server topology, bind account names, search bases, index statistics, and site analytics. Operators, platform administrators, and security teams should review and validate affected scope, severity, and vendor guidance to ensure proper mitigation and protection of sensitive data.

Technical summary

phpMyFAQ before 4.1.7 fails to properly enforce CONFIGURATION_EDIT permission on admin API read endpoints for LDAP, Elasticsearch, OpenSearch, and dashboard configuration, allowing any authenticated user to access sensitive administrative data. This vulnerability affects phpMyFAQ deployments with LDAP, Elasticsearch, OpenSearch, or dashboard configurations. Defenders should verify CONFIGURATION_EDIT permission enforcement and restrict access to sensitive administrative data.

Defensive priority

Authenticated users may access sensitive administrative data; verify CONFIGURATION_EDIT permission enforcement on admin API read endpoints.

Recommended defensive actions

• Verify CONFIGURATION_EDIT permission enforcement on admin API read endpoints for LDAP, Elasticsearch, OpenSearch, and dashboard configuration.
• Restrict access to sensitive administrative data.
• Monitor for unauthorized access attempts.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE-2026-76211 vulnerability in phpMyFAQ before 4.1.7 allows any authenticated user to access sensitive administrative data due to improper enforcement of CONFIGURATION_EDIT permission on admin API read endpoints for LDAP, Elasticsearch, OpenSearch, and dashboard configuration. Evidence is limited; verify LDAP, Elasticsearch, OpenSearch, and dashboard configuration access controls with source-provided information and defensive testing. Defenders should validate affected deployments, review official advisories, and monitor for unauthorized access attempts.

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.