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CVE-2026-57996

HIGH
8.8
CVSS 3.1
Description
phpMyFAQ before 4.1.5 contains a privilege escalation vulnerability in the user/add API endpoint that allows non-SuperAdmin administrators to create SuperAdmin accounts. A delegated administrator with USER_ADD/EDIT/DELETE permissions can call POST /admin/api/user/add with isSuperAdmin: true and attacker-chosen credentials to create a SuperAdmin account, then authenticate as that account to achieve full instance takeover.

Metadata

CVE ID
CVE-2026-57996
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-26 17:58 UTC
Published
2026-07-15 11:25 UTC
Last updated
2026-07-15 11:25 UTC
Primary CWE
CWE-269
Improper Privilege Management
Vendor / Product
phpMyFAQ / phpMyFAQ
Sources
cve.org  ·  NVD

Severity & Metrics

8.8 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products (1)
VendorProductPlatformVersions
phpMyFAQ phpMyFAQ — 0 < 4.1.5, 4.1.5
Weakness (CWE)
CWESourceDescription
CWE-269 cna Improper Privilege Management
CVSS scores (2)
ScoreSeverityVersionSourceVector
8.8 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.7 HIGH 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (2)
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