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CVE-2026-40344

🗓️ 22 Apr 2026 00:49:30Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 117 Views🌐 WEB

MinIO unauthenticated object write due to missing signature check in unsigned-trailer uploads.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
miniominioRange2023-05-18t00-05-36z–2026-04-11T03-20-12Z
[
  {
    "vendor": "minio",
    "product": "minio",
    "versions": [
      {
        "version": ">= RELEASE.2023-05-18T00-05-36Z, < RELEASE.2026-04-11T03-20-12Z",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
X-Amz-Content-Sha256header/ PutObjectAuthentication bypass in PutObjectExtractHandler allows writing arbitrary objects to any bucket without a valid secret key or signature when using the STREAMING-UNSIGNED-PAYLOAD-TRAILER content type.CWE-287, CWE-306
X-Amz-Meta-Snowball-Auto-Extractheader/ PutObjectAuthentication bypass in PutObjectExtractHandler allows writing arbitrary objects to any bucket without a valid secret key or signature when using the STREAMING-UNSIGNED-PAYLOAD-TRAILER content type.CWE-287, CWE-306
Authorizationheader/ PutObjectAuthentication bypass in PutObjectExtractHandler allows writing arbitrary objects to any bucket without a valid secret key or signature when using the STREAMING-UNSIGNED-PAYLOAD-TRAILER content type.CWE-287, CWE-306
X-Amz-Content-Sha256header/ PutObjectPartAuthentication bypass in PutObjectExtractHandler allows writing arbitrary objects to any bucket without a valid secret key or signature when using the STREAMING-UNSIGNED-PAYLOAD-TRAILER content type.CWE-287, CWE-306
X-Amz-Meta-Snowball-Auto-Extractheader/ PutObjectPartAuthentication bypass in PutObjectExtractHandler allows writing arbitrary objects to any bucket without a valid secret key or signature when using the STREAMING-UNSIGNED-PAYLOAD-TRAILER content type.CWE-287, CWE-306
Authorizationheader/ PutObjectPartAuthentication bypass in PutObjectExtractHandler allows writing arbitrary objects to any bucket without a valid secret key or signature when using the STREAMING-UNSIGNED-PAYLOAD-TRAILER content type.CWE-287, CWE-306

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