CVE-2026-35573: ChurchCRM is an open-source church management system. Prior to 6.5.3, a path traversal vulnerability in ChurchCRM's…
CVE-2026-35573 · Severity: critical · CVSS 9.1 · Published 2026-04-07
ChurchCRM is an open-source church management system. Prior to 6.5.3, a path traversal vulnerability in ChurchCRM's backup restore functionality allows authenticated administrators to upload arbitrary files and achieve remote code execution by overwriting Apache .htaccess configuration files. The vulnerability exists in src/ChurchCRM/Backup/RestoreJob.php. The $rawUploadedFile['name'] parameter is user-controlled and allows uploading files with arbitrary names to /var/www/html/tmp_attach/ChurchCRMBackups/. This vulnerability is fixed in 6.5.3.
No. Junglewise Threat Intelligence has no report of CVE-2026-35573 being exploited in the wild.
How severe is CVE-2026-35573?
Critical severity, with a CVSS score of 9.1, published 7 April 2026.
Which products and versions are affected?
ChurchCRM. The advisory does not name versions.
Is there a fix for CVE-2026-35573?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-35573?
Check whether you run ChurchCRM. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.