CVE-2026-33221
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.
Scoring
- Severity
- LOW
- CVSS base score
- 2.1
- CVSS vector
- CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- EPSS probability
- 0.17%
- CWE
- CWE-345, CWE-343
- Published
- 2026-03-20
- Last modified
- 2026-03-25
Affected products
- nhost nhost
Weakness type
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