SSRF in Churchcrm
CVE-2026-35572
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (21.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L.
Affected products
- Churchcrm
- Churchcrm Crm — versions < 6.5.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-35572?
- CVE-2026-35572 is a medium-severity vulnerability in Churchcrm, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.0/10. Published 2026-04-07.
- How severe is CVE-2026-35572?
- Medium severity. CVSS v3 base score is 6.0 out of 10.