What is CVE-2026-57518?

CVE-2026-57518 is a high-severity vulnerability in Pagekit, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-06-26.

How severe is CVE-2026-57518?

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

Auth bypass in Pagekit

CVE-2026-57518

Pagekit CMS 1.0.18 contains a privilege escalation vulnerability that allows authenticated users with the 'user: manage users' permission to escalate privileges by assigning arbitrary custom roles to themselves due to missing authorization…

Vulnerability class: Broken Access Control

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

Pagekit — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-57518?: CVE-2026-57518 is a high-severity vulnerability in Pagekit, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-06-26.
How severe is CVE-2026-57518?: High severity. CVSS v3 base score is 8.8 out of 10.