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CVE-2025-32963— Minio Operator uses Kubernetes apiserver audience for AssumeRoleWithWebIdentity STS

Quick assessment

Affected
minio operator
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MinIO Operator是MinIO公司的一个MinIO集群的简单Kubernetes运算符。 MinIO Operator 7.1.0之前版本存在安全漏洞，该漏洞源于未提供audiences字段，可能导致令牌被重放。

AI Predicted 7.5 Difficulty: Easy EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2025-32963

Vulnerability Information
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Vulnerability Title
Minio Operator uses Kubernetes apiserver audience for AssumeRoleWithWebIdentity STS
Source: CVE Program / CVE List V5
Vulnerability Description
MinIO Operator STS is a native IAM Authentication for Kubernetes. Prior to version 7.1.0, if no audiences are provided for the `spec.audiences` field, the default will be of the Kubernetes apiserver. Without scoping, it can be replayed to other internal systems, which may unintentionally trust it. This issue has been patched in version 7.1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
MinIO Operator 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MinIO Operator是MinIO公司的一个MinIO集群的简单Kubernetes运算符。 MinIO Operator 7.1.0之前版本存在安全漏洞，该漏洞源于未提供audiences字段，可能导致令牌被重放。
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

Vendor Product Affected Versions CPE Subscribe
minio operator < 7.1.0 -

II. Public POCs for CVE-2025-32963

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III. Intelligence Information for CVE-2025-32963

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Vendor Advisories for CVE-2025-32963 (1)

Vendor Pages for CVE-2025-32963 (1)

IV. Related Vulnerabilities

Same product: operator
Same vendor: minio
Same weakness: CWE-522

V. Comments for CVE-2025-32963

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