CVE-2026-76212: phpMyFAQ before 4.1.7, when configured to use PostgreSQL via the native pgsql PHP extension, declares an incor

Q: How do I fix CVE-2026-76212?

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

Q: Is CVE-2026-76212 being exploited?

CVE-2026-76212 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-2026-76212 affect?

CVE-2026-76212 affects phpmyfaq. Severity is medium (CVSS 5.3). phpMyFAQ before 4.1.7, when configured to use PostgreSQL via the native pgsql PHP extension, declares an incorrect LIKE ESCAPE character ('=') in the Search/Database/Pgsql.php backend while escapeLikeWildcards() escapes user input with the

Q: How urgent is CVE-2026-76212?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-76212 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, when configured to use PostgreSQL via the native pgsql PHP extension, declares an incorrect LIKE ESCAPE character ('=') in the Search/Database/Pgsql.php backend while escapeLikeWildcards() escapes user input with the '|' prefix. As a result, wildcard escaping is a no-op and user-supplied % and _ characters remain active LIKE wildcards. An unauthenticated attacker can submit such characters in the public FAQ search form to f

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	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-88
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 15:20 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-2026-76212?

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

Is CVE-2026-76212 being exploited?

CVE-2026-76212 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-2026-76212 affect?

CVE-2026-76212 affects phpmyfaq. Severity is medium (CVSS 5.3). phpMyFAQ before 4.1.7, when configured to use PostgreSQL via the native pgsql PHP extension, declares an incorrect LIKE ESCAPE character ('=') in the Search/Database/Pgsql.php backend while escapeLikeWildcards() escapes user input with the

How urgent is CVE-2026-76212?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities · PostgreSQL vulnerabilities

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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