CVE-2026-75919: phpMyFAQ before 4.1.7 contains an authentication bypass vulnerability in SetupController that allows unauthent

Q: How do I fix CVE-2026-75919?

phpmyfaq: upgrade to 4.1.7. Exact commands for each OS are on this page.

Q: Is CVE-2026-75919 being exploited?

CVE-2026-75919 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-75919 affect?

CVE-2026-75919 affects phpmyfaq. Severity is medium (CVSS 5.3). 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

Q: How urgent is CVE-2026-75919?

Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-75919 is a medium-severity flaw (CVSS 5.3) affecting phpmyfaq. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-306
Published	2026-08-19
Last modified	2026-09-01

Publisher (CNA): VulnCheck · Vendor: phpmyfaq

Last updated 2026-09-01 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-19 14:17 UTCPublished CVE record published
2026-09-01 16:05 UTCUpdated Record last modified

phpmyfaq phpmyfaq UPGRADE

Affected: < 4.1.7

Fixed in: 4.1.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy phpmyfaq || rpm -q phpmyfaq || phpmyfaq --version

2. UPGRADE to 4.1.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phpmyfaq

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phpmyfaq

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-75919?

phpmyfaq: upgrade to 4.1.7. Exact commands for each OS are on this page.

Is CVE-2026-75919 being exploited?

CVE-2026-75919 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-75919 affect?

CVE-2026-75919 affects phpmyfaq. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2026-75919?

Priority 40/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-34728 HIGH 8.7 UPGRADE phpMyFAQ is an open source FAQ web application
CVE-2026-32629 MEDIUM 6.1 UPGRADE phpMyFAQ is an open source FAQ web application
CVE-2026-34729 MEDIUM 6.1 UPGRADE phpMyFAQ is an open source FAQ web application
CVE-2026-76208 HIGH 8.2 UPGRADE phpMyFAQ versions 3.1.0 through 4.1.6 contain an authentication bypass vulnerability in AuthLdap::create()
CVE-2026-75920 MEDIUM 5.3 UPGRADE phpMyFAQ before v4.1.6 writes content backup ZIP archives to the web-accessible document root at content.zip,

References

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