CVE-2026-39339: ChurchCRM is an open-source church management system

Q: How do I fix CVE-2026-39339?

churchcrm: upgrade to 7.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-39339 being exploited?

CVE-2026-39339 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-39339 affect?

CVE-2026-39339 affects churchcrm. Severity is critical (CVSS 9.1). 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 al

Q: How urgent is CVE-2026-39339?

Priority 61/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.1REMOTEUPGRADE

CVE-2026-39339 is a critical-severity flaw (CVSS 9.1) affecting churchcrm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 29%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-04-07
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: churchcrm

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-07 18:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

churchcrm churchcrm UPGRADE

Affected: < 7.1.0

Fixed in: 7.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy churchcrm || rpm -q churchcrm || churchcrm --version

2. UPGRADE to 7.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade churchcrm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade churchcrm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · gcl · FIXED · 2.7.1-12.fc46 · FEDORA-2026-ff383a759b · source

sudo dnf upgrade --advisory=FEDORA-2026-ff383a759b

Fedora ELN · mozjs140 · FIXED · 140.13.0-5.eln159 · FEDORA-2026-f7ed0026e0 · source

sudo dnf upgrade --advisory=FEDORA-2026-f7ed0026e0

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/ChurchCRM/CRM/security/advisories/GHSA-v3p2-mx78-pxhc
Nuclei scan template: ChurchCRM - API Authentication Bypass via URL Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-39339?

churchcrm: upgrade to 7.1.0. Exact commands for each OS are on this page.

Is CVE-2026-39339 being exploited?

CVE-2026-39339 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-39339 affect?

CVE-2026-39339 affects churchcrm. Severity is critical (CVSS 9.1). 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 al

How urgent is CVE-2026-39339?

Priority 61/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-35573 CRITICAL 9.1 UPGRADE ChurchCRM is an open-source church management system
CVE-2026-39318 HIGH 8.8 UPGRADE ChurchCRM is an open-source church management system
CVE-2026-35574 HIGH 7.3 UPGRADE ChurchCRM is an open-source church management system
CVE-2026-39328 HIGH 8.9 UPGRADE ChurchCRM is an open-source church management system
CVE-2026-39333 HIGH 8.7 UPGRADE ChurchCRM is an open-source church management system

References

← Back to latest CVEs