What is CVE-2026-3999?

CVE-2026-3999 is a high-severity vulnerability in Pointsharp Id Server, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-03-13.

How severe is CVE-2026-3999?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Pointsharp Id Server

CVE-2026-3999

A broken access control may allow an authenticated user to perform a horizontal privilege escalation. The vulnerability only impacts specific configurations.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (25.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Pointsharp Id Server — versions 0
Pointsharp Id_server

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-3999?: CVE-2026-3999 is a high-severity vulnerability in Pointsharp Id Server, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-03-13.
How severe is CVE-2026-3999?: High severity. CVSS v3 base score is 8.8 out of 10.