Quick answers
- Is CVE-2026-78076 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-78076 being exploited in the wild.
- How severe is CVE-2026-78076?
- Informational severity, published 31 August 2026.
- Which products and versions are affected?
- JoomShaper Helix Ultimate < 2.2.10.
- Is there a fix for CVE-2026-78076?
- 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-2026-78076 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-78076?
- Check whether you run JoomShaper Helix Ultimate 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 / missing authorization issue in the AJAX endpoint that handles MegaMenu settings (save-megamenu-settings). The endpoint fails to enforce item-level and menu-level edit permissions (core.edit on com_menus.item.{id} or core.admin) before processing layout parameter modifications. An authenticated user—with any user role that has some edit privileges—can submit crafted AJAX requests to modify arbitrary menu item layouts without triggering Joomla's standard authorization checks. The attack requires authentication but no elevated privileges; the attacker simply bypasses permission validation. As of version 2.2.10, the vulnerability has been patched.
Affected products
- JoomShaper Helix Ultimate < 2.2.10
Timeline
- 2026-08-31: disclosed