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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👁 54 Views

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

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40344
22 Apr 202600:49
–attackerkb
bdu_fstec
BDU FSTEC
MinIO Privilege Escalation
25 Sep 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-40344 vulnerabilities
5 Jun 202613:33
–cgr
circl
Circl
CVE-2026-40344
22 Apr 202603:09
–circl
cnnvd
CNNVD
MinIO authorization issue vulnerabilities
22 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-40344
22 Apr 202600:49
–cve
euvd
EUVD
EUVD-2026-24579
22 Apr 202600:49
–euvd
github
Github Security Blog
MinIO has an Unauthenticated Object Write via Missing Signature Verification in Unsigned-Trailer Uploads
14 Apr 202600:04
–github
mend
Mend
CVE-2026-40344
22 Apr 202600:49
–mend
nvd
NVD
CVE-2026-40344
22 Apr 202601:16
–nvd
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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