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MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads
MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads
Affected packages
- github.com/minio/minio
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/minio/minio/security/advisories/GHSA-9c4q-hq6p-c237
- https://nvd.nist.gov/vuln/detail/CVE-2026-40344
- https://github.com/minio/minio/pull/16484
- https://github.com/minio/minio/commit/76913a9fd5c6e5c2dbd4e8c7faf56ed9e9e24091
- https://github.com/minio/minio
Structured record: https://osv.dev/vulnerability/GHSA-9c4q-hq6p-c237
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