ChurchCRM API Endpoint AuthMiddleware.php AuthMiddleware missing authentication

published 2025-10-09 13 mo ago modified 2026-10-19 21 d ago also EUVD-2025-33260

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits: 0; none known

A security flaw has been discovered in ChurchCRM up to 5.18.0. This impacts the function AuthMiddleware of the file src/ChurchCRM/Slim/Middleware/AuthMiddleware.php of the component API Endpoint. The manipulation results in missing authentication. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 3a1cffd2aea63d884025949cfbcfd274d06216a4. A patch should be applied to remediate this issue.

Patch / fix

fixed in 1 links 2

churchcrm churchcrm 5.19.0

github.com/ChurchCRM/CRM@3a1cffd commit
github.com/ChurchCRM/CRM#7376 pull request

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 13 mo ago (2025-10-09)

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/uartu0/advisories/blob/main/churchcrm-api-auth-bypass-2025.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA	3.0	7.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
CNA	4.0	5.5	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

n/a ChurchCRM

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-287 Improper Authentication

References

github.com /ChurchCRM/CRM/pull/7376
issue-tracking
github.com /ChurchCRM/CRM/commit/3a1cffd2aea63d884025949cfbcfd274d06216a4
patch
github.com /uartu0/advisories/blob/main/churchcrm-api-auth-bypass-2025.md
exploit, third-party-advisory
vuldb.com /?id.327667
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.327667
signature, permissions-required, vdb-entry
vuldb.com /?submit.669916
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-11529
NVD CVE-2025-11529

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary