6.9

CVE-2026-75919: phpMyFAQ before 4.1.7 Authentication Bypass via Setup API

Analyzed
Published 19-08-2026Last modified 19-08-2026

Vulnerability summary

CVE-2026-75919 is a medium (CVSS 6.9) vulnerability in phpmyfaq. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.55%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Timeline

  1. 19-08-2026
    PublishedVulnerability first disclosed.
  2. 19-08-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

Increase +0.09 pp

From 0.46% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Phpmyfaq

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Phpmyfaq1 product
Thorsten1 product

2 vendors · 2 products

References

2 links