CVE-2026-35573
criticalpriority · track · 0EPSS 0.008 · 55 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://github.com/ChurchCRM/CRM/releasesPatchcnnvd
- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxcnnvd
- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxenisa_euvd
- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-r6cr-mvr9-f6wxExploitThird Party Advisorynvd
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