What’s Vulnerable › Vulnerabilities

CVE-2026-39339: ChurchCRM has an API Authentication Bypass

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-07 · updated 2026-10-26
• Weakness: CWE-284

Description

ChurchCRM is an open-source church management system. Prior to 7.1.0, a critical authentication bypass vulnerability in ChurchCRM's API middleware (ChurchCRM/Slim/Middleware/AuthMiddleware.php) allows unauthenticated attackers to access all protected API endpoints by including "api/public" anywhere in the request URL, leading to complete exposure of church member data and system information. This vulnerability is fixed in 7.1.0.

Affected products

• ChurchCRM CRM: before 7.1.0 — fixed in 7.1.0

How to fix

Upgrade to a fixed version: ChurchCRM CRM 7.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/ChurchCRM/CRM/security/advisories/GHSA-v3p2-mx78-pxhc
• https://github.com/ChurchCRM/CRM/security/advisories/GHSA-v3p2-mx78-pxhc

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