How severe is CVE-2026-39339?

CVE-2026-39339 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-39339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39339?

CVE-2026-39339 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39339?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-39339 have an EU (EUVD) identifier?

Yes. CVE-2026-39339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19839.

When was CVE-2026-39339 published?

CVE-2026-39339 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-39339

CVE-2026-39339 is a critical-severity vulnerability in Churchcrm with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19839
Weakness: CWE-284
Affected product: Churchcrm
Published: 2026-04-07
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-39339?: 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.
How severe is CVE-2026-39339?: CVE-2026-39339 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-39339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39339?: CVE-2026-39339 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-39339 have an EU (EUVD) identifier?: Yes. CVE-2026-39339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19839.
When was CVE-2026-39339 published?: CVE-2026-39339 was published on 2026-04-07 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:churchcrm:churchcrm:*:*:*:*:*:*:*:*

More vulnerabilities in Churchcrm

CVE-2026-39337 — Critical (CVSS 10.0): ChurchCRM is an open-source church management system. Prior to 7.1.0, critical pre-authentication remote code execution…
CVE-2025-62521 — Critical (CVSS 10.0): ChurchCRM is an open-source church management system. Prior to version 5.21.0, a pre-authentication remote code…
CVE-2025-68110 — Critical (CVSS 9.9): ChurchCRM is an open-source church management system. Versions prior to 6.5.3 may disclose database information in an…
CVE-2025-1023 — Critical (CVSS 9.8): A vulnerability exists in ChurchCRM 5.13.0 and prior that allows an attacker to execute arbitrary SQL queries by…
CVE-2024-53438 — Critical (CVSS 9.8): EventAttendance.php in ChurchCRM 5.7.0 is vulnerable to SQL injection. An attacker can exploit this vulnerability by…
CVE-2024-25897 — Critical (CVSS 9.8): ChurchCRM 5.5.0 FRCatalog.php is vulnerable to Blind SQL Injection (Time-based) via the CurrentFundraiser GET parameter.

All CVEs affecting Churchcrm →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →