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CVE-2026-33221
Published: Mar 20, 2026
Modified: Mar 25, 2026
PUBLISHED
Description
Nhost is an open source Firebase alternative with GraphQL. Prior to version 0.12.0, the storage service's file upload handler trusts the client-provided Content-Type header without performing server-side MIME type detection. This allows an attacker to upload files with an arbitrary MIME type, bypassing any MIME-type-based restrictions configured on storage buckets. This issue has been patched in version 0.12.0.
| Vendor | Product | Versions |
|---|---|---|
nhost | nhost | affected < 0.12.0 |
References
https://github.com/nhost/nhost/security/advisories/GHSA-g9f6-9775-hffm
x_refsource_CONFIRM
https://github.com/nhost/nhost/pull/4018
x_refsource_MISC
https://github.com/nhost/nhost/releases/tag/storage%400.12.0
x_refsource_MISC
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