Vulnerability · Published Oct 17, 2026 · Assigned by VulnCheck

CVE-2026-111902phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass via Comments and Attachments API

Medium 5.3

In plain English

A medium-severity authorization bypass via user-controlled key in phpMyFAQ from thorsten. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 81.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability in isFaqAccessibleForUser() that treats a missing FAQ translation as visible to unauthenticated users. Attackers can send a mismatched Accept-Language header to the comments and attachments API endpoints to read comments and attachment listings of unpublished or ACL-restricted FAQs.

Affected products (as reported)

Vendor	Product	Versions
thorsten	phpMyFAQ	4.2.0-alpha – before 4.2.0-beta

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-g6fj-8cjr-wrxv) vendor-advisory
VulnCheck Advisory: phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass via Comments and Attachments API third-party-advisory