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CVE-2026-40344 MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads

🗓️ 22 Apr 2026 00:49:30Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 21 Views

MinIO allows unauthenticated writes via unsigned-trailer uploads due to missing signature verification; upgrade to 2026-04-11 release or block unsigned trailers.

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