cve.bz

CVE-2026-33221

2.1 lowEPSS 0.2%

Low (2.1) in nhost storage. EPSS 0.2% chance of exploitation in the next 30 days. Fixed in github.com/nhost/nhost 0.0.0-20260318074820-c4bd53f042d7.

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.

Severity

CVSS 4.0

2.1 low
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

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 7% of CVEs (scores of 2026-10-31)
CWEs
CWE-343, CWE-345
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-g9f6-9775-hffmGogithub.com/nhost/nhost<0.0.0-20260318074820-c4bd53f042d70.0.0-20260318074820-c4bd53f042d7
GO-2026-4759Gogithub.com/nhost/nhost<0.0.0-20260318074820-c4bd53f042d70.0.0-20260318074820-c4bd53f042d7

References

Check your stackJSON