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CVE-2026-39337

Churchcrm remote code execution

10.0 CRITICALEPSS 1.13%
  1. Published7 Apr 2026

Description

ChurchCRM is an open-source church management system. Prior to 7.1.0, critical pre-authentication remote code execution vulnerability in ChurchCRM's setup wizard allows unauthenticated attackers to inject arbitrary PHP code during the initial installation process, leading to complete server compromise. The "$dbPassword" variable is not sanitized. This vulnerability exists due to an incomplete fix for CVE-2025-62521. This vulnerability is fixed in 7.1.0.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Churchcrm< 7.1.0

Remediation

Fixed in
Churchcrm≥ 7.1.0

References

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Frequently asked

Is CVE-2026-39337 being actively exploited?

CVE-2026-39337 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.13%.

How severe is CVE-2026-39337?

CVE-2026-39337 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 1.13% probability of exploitation.

Which products are affected by CVE-2026-39337?

Affected products include Churchcrm.

How do I fix CVE-2026-39337?

Upgrade affected software to a fixed version, for example Churchcrm 7.1.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-39337 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.