HOMEVULNERABILITIESCVE-2026-39339
CRITICAL

CVE-2026-39339

CWE-284Published: April 7, 2026· Updated: Apr 10, 2026

9.1
CVSS v3.1
EPSS:0.10%probability of exploitation in 30 daysPercentile:26.9th

Official 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.

NVD Source

Technical Analysis

CVE-2026-39339 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

churchcrm1 product
churchcrm
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2026-39339
CVSS Score9.1 / 10
SeverityCRITICAL
WeaknessCWE-284
CISA KEVNo
EPSS (30d)0.10%
Affected1 vendor
PublishedApr 7, 2026

Related CVEs (CWE-284)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-39339 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.