PT-2026-52858 · Pagekit · Pagekit

Saidakbarxon Maqsudxonov · Published 2026-06-26 · Updated 2026-06-26 · CVE-2026-57518

NVD

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 checks in UserApiController::saveAction(). Attackers can assign themselves a custom role with the 'system: manage packages' permission and then upload and install a malicious PHP package through the admin package installer to achieve remote code execution.

Exploit

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-57518

Affected Products

Pagekit

References · 3

• 🔥 https://gist.github.com/sermikr0/6f0a67e9d101746fcdb04827de137847 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-57518 · Security Note
• https://vulncheck.com/advisories/pagekit-cms-privilege-escalation-via-userapicontroller · Note