CVE-2026-34204— MinIO is Vulnerable to SSE Metadata Injection via Replication Headers
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I. Basic Information for CVE-2026-34204
Vulnerability Information
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Vulnerability Title
MinIO is Vulnerable to SSE Metadata Injection via Replication Headers
Source: NVD (National Vulnerability Database)
Vulnerability Description
MinIO is a high-performance object storage system. Prior to version RELEASE.2026-03-26T21-24-40Z, a flaw in extractMetadataFromMime() allows any authenticated user with s3:PutObject permission to inject internal server-side encryption metadata into objects by sending crafted X-Minio-Replication-* headers on a normal PutObject request. This issue has been patched in version RELEASE.2026-03-26T21-24-40Z.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
MinIO 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MinIO是美国MinIO公司的一款开源的对象存储服务器。该产品支持构建用于机器学习、分析和应用程序数据工作负载的基础架构。 MinIO RELEASE.2026-03-26T21-24-40Z之前版本存在授权问题漏洞，该漏洞源于extractMetadataFromMime()存在缺陷，可能导致任何具有s3:PutObject权限的经过身份验证的用户通过发送特制的X-Minio-Replication-*标头将内部服务器端加密元数据注入对象。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-34204
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IV. Related Vulnerabilities
Same product: minio
- CVE-2026-41145
MinIO has an Unauthenticated Object Write via Query-String C - CVE-2026-40344
MinIO has an Unauthenticated Object Write via Missing Signat - CVE-2026-39414
MinIO affected a DoS via Unbounded Memory Allocation in S3 S - CVE-2026-33419
MinIO: LDAP login brute-force via user enumeration and missi - CVE-2026-33322
MinIO: JWT Algorithm Confusion in OIDC Authentication
Same vendor: minio
- CVE-2026-41145
MinIO has an Unauthenticated Object Write via Query-String C - CVE-2026-40344
MinIO has an Unauthenticated Object Write via Missing Signat - CVE-2026-39414
MinIO affected a DoS via Unbounded Memory Allocation in S3 S - CVE-2026-33419
MinIO: LDAP login brute-force via user enumeration and missi - CVE-2026-33322
MinIO: JWT Algorithm Confusion in OIDC Authentication
Same weakness: CWE-287
- CVE-2026-8244
Industrial Application Software IAS Canias ERP Login RMI imp - CVE-2026-8216
Industrial Application Software IAS Canias ERP Java RMI Sess - CVE-2026-8214
Industrial Application Software IAS Canias ERP RMI doAction - CVE-2026-42560
auth: Patreon provider assigns the same local user ID to eve - CVE-2026-41070
openvpn-auth-oauth2 returns FUNC_SUCCESS on client-deny, all
V. Comments for CVE-2026-34204
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