8.6

CVE-2026-111882: thorsten phpmyfaq Improper Authentication

CVSS: 8.6v4.0HighDeferred
Published 17-10-2026Last modified 18-10-2026

Vulnerability summary

CVE-2026-111882 is a high (CVSS 8.6) Improper Authentication vulnerability in thorsten phpmyfaq. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.5% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v4.0 (CVE.org)
EPSS score
0.39%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-10-2026
    PublishedVulnerability first disclosed.
  2. 18-10-2026
    Last modifiedVulnerability information updated.

Description

phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an authentication bypass vulnerability that allows IdP-authenticated users to skip TOTP two-factor authentication through the Keycloak and Entra ID SSO callbacks. Attackers holding a valid or phished IdP identity linked to a 2FA-enabled account can complete the OIDC flow and obtain a fully authenticated session, including administrator accounts.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

32%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

18-10-202621-10-2026
EPSS score
0.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Thorsten1 product
  • phpmyfaq≥ 3.2.0-alpha, < 4.1.9 | ≥ 4.2.0-alpha, < 4.2.0-beta

1 vendor · 1 product

References

3 links