phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via Group Permissions API
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.
CVE-2026-111891
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-111891
phpMyFAQ
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "thorsten",
"product": "phpMyFAQ",
"versions": [
{
"status": "affected",
"version": "4.2.0-alpha.2",
"lessThan": "4.2.0-beta",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.2.0-beta",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-111891
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #38966 · Revision 1
- Added to Heist Feed
- Publisher date