What is CVE-2026-86717?

CVE-2026-86717 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-10-11.

How severe is CVE-2026-86717?

Critical severity. CVSS v3 base score is 9.1 out of 10.

CVE-2026-86717

CVE-2026-86717

The Insurify WordPress plugin through 1.0 does not have authorisation and nonce checks on one of its AJAX actions, allowing unauthenticated users to delete arbitrary WordPress options, which can take the site offline and strip every user of their role.

Vulnerability class: Broken Access Control

Published 2026-10-11 · last modified 2026-10-11.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

wpscan.com/vulnerability/598c7ff4-d6cb-4b4b-a8cd-83f019d10350/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-86717?: CVE-2026-86717 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-10-11.
How severe is CVE-2026-86717?: Critical severity. CVSS v3 base score is 9.1 out of 10.