Description
ChurchCRM is an open-source church management system. Prior to 6.5.3, it is possible to trigger server-side HTTP/HTTPS requests to arbitrary hosts (SSRF) by supplying a crafted URL in the Referer request header. The server subsequently makes an outbound request to the attacker-controlled domain, confirmed via OAST. This vulnerability is fixed in 6.5.3.
Published: 2026-04-07
Score: 7 High
EPSS: < 1% Very Low
KEV: No
Impact: Server‑Side Request Forgery via crafted Referer header
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 10 Apr 2026 21:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:churchcrm:churchcrm:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 6.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L'}


Thu, 09 Apr 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Churchcrm
Churchcrm churchcrm
Vendors & Products Churchcrm
Churchcrm churchcrm

Tue, 07 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 07 Apr 2026 18:00:00 +0000

Type Values Removed Values Added
Description ChurchCRM is an open-source church management system. Prior to 6.5.3, it is possible to trigger server-side HTTP/HTTPS requests to arbitrary hosts (SSRF) by supplying a crafted URL in the Referer request header. The server subsequently makes an outbound request to the attacker-controlled domain, confirmed via OAST. This vulnerability is fixed in 6.5.3.
Title SSRF via Referer header in ChurchCRM allows server-side HTTP/HTTPS requests to arbitrary hosts
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Churchcrm Churchcrm
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-07T19:59:43.438Z

Reserved: 2026-04-03T20:09:02.826Z

Link: CVE-2026-35572

cve-icon Vulnrichment

Updated: 2026-04-07T19:50:59.787Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-07T18:16:41.610

Modified: 2026-04-10T20:58:52.890

Link: CVE-2026-35572

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-13T14:26:42Z

Weaknesses