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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 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Unauthenticated object writes in MinIO Snowball auto-extract due to missing signature verification.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40344
22 Apr 202600:49
attackerkb
Chainguard
CVE-2026-40344 vulnerabilities
5 Jun 202613:33
cgr
Circl
CVE-2026-40344
22 Apr 202603:09
circl
CNNVD
MinIO 授权问题漏洞
22 Apr 202600:00
cnnvd
CVE
CVE-2026-40344
22 Apr 202600:49
cve
EUVD
EUVD-2026-24579
22 Apr 202600:49
euvd
Github Security Blog
MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads
14 Apr 202600:04
github
NVD
CVE-2026-40344
22 Apr 202601:16
nvd
OSV
BIT-MINIO-2026-40344 MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads
24 Apr 202616:03
osv
OSV
CGA-G34G-32FW-GFMC
3 Jun 202601:15
osv
Rows per page
[
  {
    "vendor": "minio",
    "product": "minio",
    "versions": [
      {
        "version": ">= RELEASE.2023-05-18T00-05-36Z, < RELEASE.2026-04-11T03-20-12Z",
        "status": "affected"
      }
    ]
  }
]

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