CVE-2026-39339 Details.
ChurchCRM - API Authentication Bypass via URL Injection
Atlas does not check this one. Works by exploiting the flaw.
The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check.
About CVE-2026-39339. What It Means.
ChurchCRM < 7.1.0 contains an authentication bypass caused by improper API middleware URL handling in ChurchCRM/Slim/Middleware/AuthMiddleware.php, letting unauthenticated attackers access protected API endpoints, exploit requires crafted request URL with 'api/public
Affected Product. What Is Hit.
- Vendor
- churchcrm
- Product
- ChurchCRM
References. Where To Read More.
FAQ
Common Questions.
ChurchCRM - API Authentication Bypass via URL Injection. ChurchCRM < 7.1.0 contains an authentication bypass caused by improper API middleware URL handling in ChurchCRM/Slim/Middleware/AuthMiddleware.php, letting unauthenticated attackers access protected API endpoints, exploit requires crafted request URL with 'api/public
No. The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check. The facts about CVE-2026-39339 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-39339 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update ChurchCRM to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-39339. Atlas does not run a check for it, so nothing here says whether a particular site is affected.