CVE-2026-75919 PUBLISHED

phpMyFAQ before 4.1.7 Authentication Bypass via Setup API

Assigner: VulnCheck
Reserved: 18.08.2026 Published: 19.08.2026 Updated: 19.08.2026

phpMyFAQ before 4.1.7 contains an authentication bypass vulnerability in SetupController that allows unauthenticated attackers to run database migrations and create configuration backups when maintenance mode is enabled. Attackers can call POST /api/setup/update-database and POST /api/setup/backup endpoints to execute database updates, disable maintenance mode, and extract database credentials from generated ZIP archives.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	thorsten
Product	phpMyFAQ
Versions	Default: unaffected affected from 0 to 4.1.7 (excl.) Version 4.1.7 is unaffected

CVE-2026-75919 PUBLISHED

phpMyFAQ before 4.1.7 Authentication Bypass via Setup API

Metrics

Product Status

Credits

References

Problem Types