CVE•Published 2026-07-27•Modified 2026-07-28•0 articles on news•4 live references•NVD data
CVE-2026-66399
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
Description
phpMyFAQ before 4.1.6 contains a privilege escalation vulnerability in GroupController::updateMembers() that allows administrators with only group-management permissions to join privileged groups without verification of required rights. Attackers can add themselves to pre-existing groups holding user-management rights and immediately inherit those permissions to modify or delete user accounts.
Timeline
Published 2026-07-27
Modified 2026-07-28
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-66399Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-66399Censys host search filtered to this CVE id.
grep.app
CVE-2026-66399Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-66399GitHub code search for direct mentions.
Google dork
"CVE-2026-66399" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-66399 on GitHub.
We haven't classified any articles referencing CVE-2026-66399 yet. The external references above still apply.