CVE Daily

CVE-2025-4166

Vault Community and Vault Enterprise Key/Value (kv) Version 2 plugin may uninten...

Medium CVSS 4.5

Overview

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.

CWE: CWE-209 Published: 2025-05-02T15:15:50.313
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 4.5 (MEDIUM)
  • Detected tags: info_leak (tag impact: LOW)

Recommended actions:

  • Reduce verbose errors, remove debug endpoints, minimize PII in logs.

Recommended tools

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