CVE-2026-76213: phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the fai

Q: How do I fix CVE-2026-76213?

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

Q: Is CVE-2026-76213 being exploited?

CVE-2026-76213 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-2026-76213 affect?

CVE-2026-76213 affects phpmyfaq. Severity is high (CVSS 7.4). phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. Attackers with a valid password can bypass

Q: How urgent is CVE-2026-76213?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.4REMOTEUPGRADE

CVE-2026-76213 is a high-severity flaw (CVSS 7.4) 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 a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. Attackers with a valid password can bypass the five-attempt limit by obtaining a fresh session cookie and repeatedly re-authenticating to reset the counter, enabling unbounded TOTP code guessing.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 61%)
CISA exploited list	No
Weakness	CWE-307
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-2026-76213?

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

Is CVE-2026-76213 being exploited?

CVE-2026-76213 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-2026-76213 affect?

CVE-2026-76213 affects phpmyfaq. Severity is high (CVSS 7.4). phpMyFAQ before 4.1.7 contains a brute-force vulnerability in the two-factor authentication step where the failure counter is session-scoped and reset on each successful password re-authentication. Attackers with a valid password can bypass

How urgent is CVE-2026-76213?

Priority 46/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

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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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