dbcve.org
Missing AuthorizationWeakness · CWE-862

CVE-2026-54832

HIGH · 7.5 CVSS v3.1 Published 2026-06-26
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
84/100
Remediation priority · High
Remotely reachable No privileges Zero-click 8 weeks old

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Unauthenticated Broken Access Control in Gutenverse Companion <= 2.5.0 versions.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

An unauthenticated broken access control vulnerability exists in the Gutenverse Companion WordPress plugin versions 2.5.0 and below, allowing unauthenticated attackers to access functionality that should require proper authorization checks.

MitigationUpgrade Gutenverse Companion to the latest version (above 2.5.0) which contains proper access control enforcement, or implement proper capability checks and nonce verification on all sensitive AJAX actions and admin functions.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify Gutenverse Companion plugin is installed
    Navigate to WordPress admin dashboard > Plugins > Installed Plugins, or check the /wp-content/plugins/ directory for the gutenverse-companion folder
    Affected if The plugin folder exists in the WordPress installation
  2. Confirm the plugin version
    In WordPress admin, find Gutenverse Companion in the plugins list and read the version number displayed below the plugin name, or inspect the main plugin file header in /wp-content/plugins/gutenverse-companion/
    Affected if The displayed version is 2.5.0 or any version number lower than 2.5.0
  3. Check if the plugin is active
    In WordPress admin > Plugins, verify whether Gutenverse Companion shows as Active (not just installed)
    Affected if The plugin is Active and the version is 2.5.0 or below - an inactive plugin may not expose the vulnerability
  4. Identify exposed AJAX endpoints
    Inspect the plugin source code for registered AJAX actions using add_action('wp_ajax_...) or add_action('wp_ajax_nopriv_...) calls, particularly those handling sensitive operations
    Affected if The plugin registers wp_ajax_nopriv_ actions without proper capability checks or nonce verification - this indicates the broken access control is present

A WordPress site is affected if Gutenverse Companion version 2.5.0 or below is installed and active, exposing unauthenticated AJAX endpoints without proper authorization checks.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade Gutenverse Companion to the latest version (above 2.5.0) which contains proper access control enforcement, or implement proper capability checks and nonce verification on all sensitive AJAX actions and admin functions.

Recommended fix Moderate confidence

Latest available version (2.5.1 or higher) from WordPress plugin repository

  1. 1. Navigate to the WordPress admin dashboard and go to Plugins > Installed Plugins
  2. 2. Locate 'Gutenverse Companion' in the list of installed plugins
  3. 3. Check the current installed version number displayed under the plugin name
  4. 4. If the installed version is 2.5.0 or lower, update the plugin to the latest available version
  5. 5. To update: either click 'Update now' if an update is available, or download the latest version from the WordPress plugin repository and upload it manually
  6. 6. After updating, verify the plugin is functioning correctly on the frontend and editor
  7. 7. Confirm the vulnerability is remediated by ensuring the latest patched version is installed
Caveat Review plugin changelog for any breaking changes before updating; test in staging environment first if possible

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,800
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-54832 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data