SCA: security update for thorsten/phpmyfaq (GHSA-w22q-m2fm-x9f4)

high Tenable Self-Hosted Container Security Plugin ID 438103

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- phpMyFAQ is an open source FAQ web application. Prior to version 4.0.18, the WebAuthn prepare endpoint
(`/api/webauthn/prepare`) creates new active user accounts without any authentication, CSRF protection,
captcha, or configuration checks. This allows unauthenticated attackers to create unlimited user accounts
even when registration is disabled. Version 4.0.18 fixes the issue. (CVE-2026-27836)

See Also

https://github.com/advisories/GHSA-w22q-m2fm-x9f4

Plugin Details

Severity: High

ID: 438103

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 3/3/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS Score Source: CVE-2026-27836

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/27/2026

Vulnerability Publication Date: 2/27/2026

Reference Information

CVE: CVE-2026-27836

cwe: CWE-862