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Priority review Guidance Added Final

MinIO Object Storage Multiple Authentication Bypass Vulnerabilities - CVSS 8.2

Favicon for wid.cert-bund.de CERT-Bund Security Advisories
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Summary

CERT-Bund issued security advisory WID-SEC-2026-1081 identifying multiple vulnerabilities in MinIO object storage software with CVSS Base Score 8.2 (High) and Temporal Score 7.1 (High). Remote anonymous attackers can exploit these flaws to bypass authentication and manipulate data. Affected version: Open Source MinIO prior to 2026-04-11T03-20-12Z.

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What changed

CERT-Bund published a security advisory regarding multiple vulnerabilities in MinIO, an S3-compatible object storage system used for AI/ML workloads, data lakes, and databases. The vulnerabilities carry a CVSS Base Score of 8.2, indicating high severity, and enable remote anonymous attackers to bypass authentication mechanisms and manipulate data.

Organizations running MinIO deployments should immediately update to the patched version (2026-04-11T03-20-12Z) and implement recommended mitigations to prevent authentication bypass attacks and potential data tampering.

What to do next

  1. Update MinIO to version 2026-04-11T03-20-12Z or later
  2. Apply available mitigations referenced in the advisory
  3. Review systems for signs of exploitation

Archived snapshot

Apr 14, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

[WID-SEC-2026-1081] MinIO: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen CVSS Base Score 8.2 (hoch) CVSS Temporal Score 7.1 (hoch) Remoteangriff ja Datum 13.04.2026 Stand 14.04.2026 Mitigation ja

Betroffene Systeme

Betriebssystem

  • Sonstiges
  • UNIX

Produktbeschreibung

MinIO ist ein S3-kompatibler Objektspeicher, der für groß angelegte KI/ML-, Data Lake- und Datenbank-Workloads entwickelt wurde. Er läuft "on-premise" und in jeder Cloud.

Produkte

13.04.2026
- Open Source MinIO <2026-04-11T03-20-12Z

Angriff

Angriff

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in MinIO ausnutzen, um die Authentifizierung zu umgehen und Daten zu manipulieren. CVE Informationen Versionshistorie Feedback zum Advisory geben

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Source

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CERT-Bund Security Advisories wid.cert-bund.de/content/public/securityAdvisory/rss
Data Privacy & Cybersecurity

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Classification

Agency
CERT-Bund
Published
April 13th, 2026
Instrument
Guidance
Legal weight
Non-binding
Stage
Final
Change scope
Substantive
Document ID
WID-SEC-2026-1081

Who this affects

Applies to
Technology companies Government agencies
Industry sector
5112 Software & Technology
Activity scope
Software vulnerability patching Security advisory response Authentication systems
Geographic scope
Germany DE

Taxonomy

Primary area
Cybersecurity
Operational domain
IT Security
Topics
Data Privacy Information Security

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