CVE-2026-35573

ChurchCRM has a Path traversal leads to RCE

State: Published
Severity: 9.1 Critical
Published: Apr 7, 2026
Updated: Apr 8, 2026
Reserved: Apr 3, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-434 Unrestricted Upload of File with Dangerous Type

Affected Products

Product	Versions
CRMChurchCRM	< 6.5.3Affected

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wx

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