CVE-2025-4166— Vault May Include Sensitive Data in Error Logs When Using the KV v2 Plugin
Quick assessment
Affected
HashiCorp Vault
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.
HashiCorp Vault Enterprise和HashiCorp Vault Community都是美国HashiCorp公司的产品。HashiCorp Vault Enterprise是一个企业信息归档平台。HashiCorp Vault Community是一款密钥管理引擎。用来集中存储集群运行过程中所需要的秘密信息。 HashiCorp Vault Enterprise和HashiCorp Vault Community存在安全漏洞，该漏洞源于处理畸形有效载荷时可能泄露敏感信息。
Possible ATT&CK Techniques 1 AI
T1005 · Data from Local System
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I. Basic Information for CVE-2025-4166
Vulnerability Information
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Vulnerability Title
Vault May Include Sensitive Data in Error Logs When Using the KV v2 Plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Vault Community and Vault Enterprise Key/Value (kv) Version 2 plugin may unintentionally expose sensitive information in server and audit logs when users submit malformed payloads during secret creation or update operations via the Vault REST API. This vulnerability, identified as CVE-2025-4166, is fixed in Vault Community 1.19.3 and Vault Enterprise 1.19.3, 1.18.9, 1.17.16, 1.16.20.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp Vault Enterprise和HashiCorp Vault Community 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Vault Enterprise和HashiCorp Vault Community都是美国HashiCorp公司的产品。HashiCorp Vault Enterprise是一个企业信息归档平台。HashiCorp Vault Community是一款密钥管理引擎。用来集中存储集群运行过程中所需要的秘密信息。 HashiCorp Vault Enterprise和HashiCorp Vault Community存在安全漏洞，该漏洞源于处理畸形有效载荷时可能泄露敏感信息。
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 |
|---|---|---|---|---|
| HashiCorp | Vault | 0.3.0 ~ 1.19.2 | - |
|
| HashiCorp | Vault Enterprise | 0.10.0 ~ 1.19.2 | - |
|
II. Public POCs for CVE-2025-4166
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2025-4166 (1)
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V. Comments for CVE-2025-4166
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