# CVE-2026-66595: WP Data Access broken access control authentication bypass

Source: https://junglewise.ai/threats/cve-2026-66595-wp-data-access-broken-access-control-authentication-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-20. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-66595 · Severity: medium · CVSS 5.9 · Published 2026-08-20

WP Data Access is a WordPress plugin that enables data management and database access from the WordPress admin interface. This vulnerability allows unauthenticated attackers to bypass access controls and view or manipulate data they should not be permitted to access, potentially exposing sensitive customer or business information stored in the WordPress database.

Technologies: [WP Data Access](https://junglewise.ai/threats/technologies/wp-data-access). Vendors: [WP Data Access](https://junglewise.ai/threats/vendors/wp-data-access).

## Quick answers

**Is CVE-2026-66595 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-66595 being exploited in the wild.

**How severe is CVE-2026-66595?** Medium severity, with a CVSS score of 5.9, published 20 August 2026.

**Which products and versions are affected?** WP Data Access <=5.5.80.

**Is there a fix for CVE-2026-66595?** A patch was published on 2026-08-19: Patch available in version 5.5.81 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-66595 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-66595?** Check whether you run WP Data Access at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a broken access control flaw in WP Data Access versions 5.5.80 and earlier that permits unauthenticated users to access restricted pages and perform unauthorized actions. The vulnerability does not require authentication, making it exploitable from the network without valid credentials. Attackers can view other users' data or perform privileged actions on the affected WordPress installation. A patch is available in version 5.5.81 and later.

## Affected products

- WP Data Access WP Data Access <=5.5.80

## Timeline

- 2026-08-20: disclosed
- 2026-08-19: patched: Patch available in version 5.5.81

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/wp-data-access/vulnerability/wordpress-wp-data-access-plugin-5-5-80-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/wp-data-access/vulnerability/wordpress-wp-data-access-plugin-5-5-80-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [WP Data Access plugin sensitive information exposure via REST API](https://junglewise.ai/threats/cve-2026-110023-the-wp-data-access-app-builder-for-tables-forms-dashboards)
- [WP Data Access WordPress plugin SSRF in action](https://junglewise.ai/threats/cve-2026-106470-the-wp-data-access-wordpress-plugin-before-5-5-88-does-not-have)
- [WP Data Access SQL injection](https://junglewise.ai/threats/cve-2026-93621-unauthenticated-sql-injection-in-wp-data-access-5-5-84-versions)
- [WP Data Access SQL Injection](https://junglewise.ai/threats/cve-2026-81293-wp-data-access-sql-injection)
- [WP Data Access unauthenticated SQL injection](https://junglewise.ai/threats/cve-2026-42665-wp-data-access-unauthenticated-sql-injection)