What is CVE-2026-7399?

CVE-2026-7399 is a high-severity vulnerability in Meware Software Development Inc. Pdks, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-04-30.

How severe is CVE-2026-7399?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Meware Software Development Inc. Pdks

CVE-2026-7399

Authorization bypass through User-Controlled key vulnerability in MeWare Software Development Inc. PDKS allows Privilege Abuse. This issue affects PDKS: from V16.20200313 before VMYR_3.5.2025117.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Meware Software Development Inc. Pdks — versions V16.20200313

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.usom.gov.tr/bildirim/tr-26-0141 (government-resource, broken-link, third-party-advisory)
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0141 (government-resource)

Frequently asked questions

What is CVE-2026-7399?: CVE-2026-7399 is a high-severity vulnerability in Meware Software Development Inc. Pdks, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-04-30.
How severe is CVE-2026-7399?: High severity. CVSS v3 base score is 8.1 out of 10.