CVE-2026-35572

SSRF via Referer header in ChurchCRM allows server-side HTTP/HTTPS requests to arbitrary hosts

Published Apr 7, 2026 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
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'}

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

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 7, 2026, 7:59 PM
Reserved
Apr 3, 2026, 8:09 PM
Status
Analyzed
Published
Apr 7, 2026, 6:16 PM
Modified
Oct 26, 2026, 9:10 PM