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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
- Attack Vector
- network
- Complexity
- low
- Privileges
- high
- User Action
- required
- Scope
- unchanged
- Confidentiality
- high
- Integrity
- none
- Availability
- none
- Weaknesses
- CWE-209
Metadata
- Primary Vendor
- HASHICORP
- Published
- 5/2/2025
- Last Modified
- 12/31/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
hashicorp : vaulthashicorp : vaulthashicorp : vaulthashicorp : vaulthashicorp : vaultopenbao : openbao
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