CVE-2026-44678 Tuist: IDOR in preview deletion API allows cross-tenant deletion of any preview by UUID
Attackers can delete previews from other tenants by supplying arbitrary UUIDs, bypassing project-level authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-44678?
CVE-2026-44678 is a high-severity missing authorization vulnerability in tuist, published on 14 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Tuist is a virtual platform team for Swift app devs. In 1.180.8 and earlier, the DELETE /api/projects/{account_handle}/{project_handle}/previews/{preview_id} endpoint loads the preview by its UUID without verifying that the preview belongs to the project resolved from the URL path. The route's project-level authorization plug (AuthorizationPlug, :preview) authorizes the caller against the project encoded in account_handle/project_handle — which the attacker controls — and then the action deletes whichever preview's UUID is supplied. The check therefore guards the wrong project.
Weakness: CWE-639
Which versions are affected by CVE-2026-44678?
How do I fix CVE-2026-44678?
No fix has been published for CVE-2026-44678 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-44678 being exploited?
There is no known exploitation of CVE-2026-44678 in the wild and no public exploit code.
Sources
Also known as GHSA-fqp5-hg46-cp2x.