CVE-2026-111891
MEDIUM
CVSS 5.5
Published: 2026-10-17
Modified: 2026-10-17
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Threat Intelligence Pending
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Description
phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta contains a privilege escalation vulnerability in the group permission API, whose updatePermissions and updateMembers endpoints check held rights without regard to language or category scope and write unrestricted group grants. Non-superadmin administrators holding GROUP_EDIT can grant a group a right they hold only in a narrow scope and self-join it via updateMembers, gaining unrestricted FAQ create, edit, and publish access across all languages and categories.
Quick Facts
| CVE ID | CVE-2026-111891 |
| CVSS Score | 5.5 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N |
| Published | 2026-10-17 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |