GHSA-w9mj-gfrm-hj5x: Duplicate Advisory PhpMyFAQ Has An Authorization Bypass Vulnerability

HIGH
Share
CVSS 6.5
CWE-863
Published
Advisory Summary

GHSA-w9mj-gfrm-hj5x is a HIGH (CVSS 6.5) phpmyfaq has an authorization bypass vulnerability (CWE-863: Incorrect Authorization) affecting Duplicate Advisory libraries in the Packagist ecosystem. The issue involves phpmyfaq has an authorization bypass in all admin pages due to non-terminating permission check. Remediation is available by upgrading affected packages to version 4.1.2.

GHSA-w9mj-gfrm-hj5x at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-w9mj-gfrm-hj5x
Severity HIGH
CVSS v3.1 Base Score 6.5
CWE Classification CWE-863: Incorrect Authorization
Affected Product Duplicate Advisory
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix GHSA-w9mj-gfrm-hj5x

To remediate this vulnerability, upgrade all affected Duplicate Advisory dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

thorsten/phpmyfaq fixed: 4.1.2 
Upgrade thorsten/phpmyfaq to 4.1.2
phpmyfaq/phpmyfaq fixed: 4.1.2 
Upgrade phpmyfaq/phpmyfaq to 4.1.2
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for thorsten/phpmyfaq

How to Check if You Are Affected

To determine whether your application is affected by GHSA-w9mj-gfrm-hj5x, inspect your project dependencies for Duplicate Advisory:

inspect dependencies for thorsten/phpmyfaq

Analyze the terminal output to locate any version of Duplicate Advisory in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.1.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. In Duplicate Advisory, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hpgw-ww76-c68r. This link is maintained to preserve external references. ### Original Description phpMyFAQ before 4.1.2 contains an authorization bypass vulnerability in AbstractAdministrationController::userHasPermission() that fails to terminate execution after sending a forbidden response. Attackers can access all permission-protected admin pages by requesting their URLs as authenticated users, exposing admin logs, user data, system information, and application configuration.

GHSA-w9mj-gfrm-hj5x Affected Duplicate Advisory Versions

2 component(s)
Fixed Versions:
4.1.2
Product / Package Ecosystem Affected Versions Fixed Version
thorsten/phpmyfaq
 Packagist
< 4.1.2
4.1.2
phpmyfaq/phpmyfaq
 Packagist
< 4.1.2
4.1.2

References

GitHub Advisory / Wiki ADVISORY
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-hpgw-ww76-c68r
NVD — GHSA-w9mj-gfrm-hj5x NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-46362
www.vulncheck.com/advisories/phpmyfaq... WEB
https://www.vulncheck.com/advisories/phpmyfaq-authorization-bypass-in-admin-pages-via-non-terminating-permission-check

Frequently Asked Questions

What is GHSA-w9mj-gfrm-hj5x?
GHSA-w9mj-gfrm-hj5x is a security vulnerability in Duplicate Advisory involving phpMyFAQ has an Authorization Bypass in All Admin Pages Due to Non-Terminating Permission Check under CWE-863: Incorrect Authorization.
Which Duplicate Advisory versions are affected?
Affected versions include releases prior to 4.1.2 across affected packages: thorsten/phpmyfaq, phpmyfaq/phpmyfaq.
What version fixes GHSA-w9mj-gfrm-hj5x?
Upgrading to 4.1.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is thorsten/phpmyfaq affected?
Yes, thorsten/phpmyfaq is affected in releases prior to 4.1.2. Upgrade your dependency to 4.1.2 or later.
Is phpmyfaq/phpmyfaq affected?
Yes, phpmyfaq/phpmyfaq is affected in releases prior to 4.1.2. Upgrade your dependency to 4.1.2 or later.
What is the CVSS score of GHSA-w9mj-gfrm-hj5x?
GHSA-w9mj-gfrm-hj5x has a CVSS v3.1 base score of 6.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with GHSA-w9mj-gfrm-hj5x?
GHSA-w9mj-gfrm-hj5x is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check Packagist dependencies for GHSA-w9mj-gfrm-hj5x?
Run the dependency tree command: 'inspect dependencies for thorsten/phpmyfaq'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w9mj-gfrm-hj5x",
  "modified" : "2026-06-09T00:01:24Z",
  "published" : "2026-05-15T21:31:32Z",
  "withdrawn" : "2026-06-09T00:01:24Z",
  "aliases" : [ ],
  "summary" : "Duplicate Advisory: phpMyFAQ has an Authorization Bypass in All Admin Pages Due to Non-Terminating Permission Check",
  "details" : "### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-hpgw-ww76-c68r. This link is maintained to preserve external references.\n\n### Original Description\nphpMyFAQ before 4.1.2 contains an authorization bypass vulnerability in AbstractAdministrationController::userHasPermission() that fails to terminate execution after sending a forbidden response. Attackers can access all permission-protected admin pages by requesting their URLs as authenticated users, exposing admin logs, user data, system information, and application configuration.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "thorsten/phpmyfaq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.1.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "phpmyfaq/phpmyfaq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.1.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-hpgw-ww76-c68r"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-46362"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/phpmyfaq-authorization-bypass-in-admin-pages-via-non-terminating-permission-check"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-06-09T00:01:24Z",
    "nvd_published_at" : "2026-05-15T19:17:03Z"
  }
}