Is CVE-2026-4623 actively exploited?

No active exploitation of CVE-2026-4623 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4623 be exploited remotely?

Yes. CVE-2026-4623 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4623?

CVE-2026-4623 has a CVSS score of 7.3 (HIGH).

HOME VULNERABILITIESCVE-2026-4623

HIGH

CVE-2026-4623

CWE-918Published: March 24, 2026· Updated: Mar 24, 2026

7.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.4th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-4623 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.