What is CVE-2026-39504?

CVE-2026-39504 is a medium-severity vulnerability in Instawp Connect, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-04-08.

How severe is CVE-2026-39504?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Instawp Connect

CVE-2026-39504

Missing Authorization vulnerability in InstaWP InstaWP Connect instawp-connect allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects InstaWP Connect: from n/a through <= 0.1.2.5.

Vulnerability class: Broken Access Control

EPSS: 0.000 (9.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Instawp Connect — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-39504?: CVE-2026-39504 is a medium-severity vulnerability in Instawp Connect, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-04-08.
How severe is CVE-2026-39504?: Medium severity. CVSS v3 base score is 5.4 out of 10.