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CVE-2025-4166

MEDIUM CVSS: 4.5 Published: 2025-05-02 Modified: 2026-06-17

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.

Affected Platforms

Openbao OpenbaoHashicorp Vault

Weakness Type

CWE-209

References