Name: CVE-2026-27543: Incorrect Privilege Assignment
Creator: Rapid7
Published: 2026-08-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-27543, CWE-266, CVSS 8.1, EPSS 0.00373

Unauthenticated Privilege Escalation in MStore API <= 4.20.0 versions.

CVSS Details

CVSS 3.1 Base Score: 8.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Mstore Api Plugin	—	Update mstore-api plugin to version 4.21.0, or a newer patched version	Aug 17, 2026	Aug 11, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence