CVE-2026-58408 ChurchCRM : Broken Access Control in `CSVCreateFile.php` Allows Low-Privileged Users to Export All Members' PII
Low-privileged users can bypass access controls to export the entire member directory's PII via an unprotected CSV endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58408?
CVE-2026-58408 is a medium-severity missing authorization vulnerability in ChurchCRM CRM, published on 13 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ChurchCRM is an open-source church management system. Prior to version 7.4.0, a low-privileged user can bypass the /admin/export UI and exfiltrate the entire member directory. The POST /CSVCreateFile.php endpoint generates and streams a CSV containing the full Personally Identifiable Information (PII) of every Person/Family record in the database, without performing any feature-level or object-level authorization check beyond the coarse "has any admin permission" gate inherited from the legacy page bootstrap. In other words, any single non-admin permission flag is enough to reach the CSV bulk-export endpoint, even though such users should not have data export rights. The export script is missing a dedicated isAdmin() (or a new bExportData) authorization check of its own. This issue has been fixed in version 7.4.0.
Which versions are affected by CVE-2026-58408?
How do I fix CVE-2026-58408?
No fix has been published for CVE-2026-58408 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-58408 being exploited?
There is no known exploitation of CVE-2026-58408 in the wild and no public exploit code.
Sources
Also known as GHSA-4vj2-gm78-3q63.