# CVE-2026-78069: J2Store missing authorization in Apps controller

Source: https://junglewise.ai/threats/cve-2026-78069-j2store-missing-authorization-in-apps-controller  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-03. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-78069 · Severity: info · Published 2026-09-03

J2Store is a Joomla eCommerce extension that enables online sales through the Joomla content management system. A vulnerability in the Apps controller allows attackers to execute arbitrary code by reading and executing SQL files on the server without proper authorization checks. This could lead to data breach, data loss, or complete system compromise through database manipulation.

Technologies: [J2commerce.Com J2Store](https://junglewise.ai/threats/technologies/j2store). Vendors: [J2commerce.Com](https://junglewise.ai/threats/vendors/j2commerce-com).

## Quick answers

**Is CVE-2026-78069 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-78069 being exploited in the wild.

**How severe is CVE-2026-78069?** Informational severity, published 3 September 2026.

**Which products and versions are affected?** J2commerce.Com J2Store 1.0.0–3.3.21, 4.0.0–4.0.21, 4.1.0–4.1.6.

**Is there a fix for CVE-2026-78069?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-78069 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-78069?** Check whether you run J2commerce.Com J2Store 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 exists in the `J2StoreControllerApps::appTask` delegation path, which instantiates app-plugin controllers without ACL authorization checks. The missing authorization is masked only by a side effect of `fof.xml`'s wildcard-deny rule that resolves under the singularized ACL key `app` (which has no explicit allow rule). Behind this delegation path, the `applocalizationdata::getInstallerTool()` method uses a caller-influenced table name parameter without an allowlist to both select `#__j2store_*` tables for truncation and construct a file path to load and execute SQL files. This combination enables path-traversal-capable file read and arbitrary SQL execution. The vulnerability affects J2Store versions 1.0.0–3.3.21, 4.0.0–4.0.21, and 4.1.0–4.1.6.

## Affected products

- j2commerce.com J2Store 1.0.0–3.3.21, 4.0.0–4.0.21, 4.1.0–4.1.6

## Timeline

- 2026-09-03: disclosed

## References

- [https://www.j2commerce.com/](https://www.j2commerce.com/)

## Related threats

- [J2Store PayPal parameter injection in redirect](https://junglewise.ai/threats/cve-2026-82191-j2store-paypal-parameter-injection-in-redirect)
- [J2Store order status manipulation via unauthenticated request](https://junglewise.ai/threats/cve-2026-82189-j2store-order-status-manipulation-via-unauthenticated-request)
- [J2Store SQL injection in storefront product list](https://junglewise.ai/threats/cve-2026-81567-j2store-sql-injection-in-storefront-product-list)
- [J2Commerce J2Store missing CSRF protection in checkout controllers](https://junglewise.ai/threats/cve-2026-78081-j2commerce-j2store-missing-csrf-protection-in-checkout)
- [J2Store guest checkout address disclosure via IDOR](https://junglewise.ai/threats/cve-2026-78065-j2store-guest-checkout-address-disclosure-via-idor)