SSRF in Defaultfuction Jeson-Customer-Relationship-Management-System
CVE-2026-4623
A security vulnerability has been detected in DefaultFuction Jeson-Customer-Relationship-Management-System up to 1b4679c4d06b90d31dd521c2b000bfdec5a36e00. This affects an unknown function of the file /api/System.php of the component API Module. The manipulation of the argument url leads to server-side request forgery. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The identifier of the patch is f76e7123fe093b8675f88ec8f71725b0dd186310/98bd4eb07fa19d4f2c5228de6395580013c97476. It is suggested to install a patch to address this issue.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Defaultfuction Jeson-customer-relationship-management-system — versions n/a
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-4623?
- CVE-2026-4623 is a high-severity vulnerability in Defaultfuction Jeson-Customer-Relationship-Management-System, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-03-24.
- How severe is CVE-2026-4623?
- High severity. CVSS v3 base score is 7.3 out of 10.