How severe is CVE-2026-39337?

CVE-2026-39337 has a CVSS 3.x base score of 10.0, 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 high.

Is CVE-2026-39337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39337?

CVE-2026-39337 affects Churchcrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39337?

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-2026-39337 have an EU (EUVD) identifier?

Yes. CVE-2026-39337 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19835.

When was CVE-2026-39337 published?

CVE-2026-39337 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-39337

CVE-2026-39337 is a critical-severity vulnerability in Churchcrm with a CVSS 3.x base score of 10.0. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19835
Weakness: CWE-94
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, 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.

Frequently asked questions

What is CVE-2026-39337?: 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.
How severe is CVE-2026-39337?: CVE-2026-39337 has a CVSS 3.x base score of 10.0, 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 high.
Is CVE-2026-39337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39337?: CVE-2026-39337 affects Churchcrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39337?: 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-2026-39337 have an EU (EUVD) identifier?: Yes. CVE-2026-39337 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19835.
When was CVE-2026-39337 published?: CVE-2026-39337 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://github.com/ChurchCRM/CRM/security/advisories/GHSA-pm2v-ggh4-mp7p

Affected products (1)

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

More vulnerabilities in Churchcrm

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…
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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.
CVE-2024-25894 — Critical (CVSS 9.8): ChurchCRM 5.5.0 /EventEditor.php is vulnerable to Blind SQL Injection (Time-based) via the EventCount POST parameter.

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