CVE-2025-4166

Summary

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 Software

VendorProductVersion RangeStatus
HashiCorpVault0.3.0 < 1.19.2affected
HashiCorpVault Enterprise0.10.0 < 1.19.2affected

Weaknesses

  • CWE-209: CWE-209: Generation of Error Message Containing Sensitive Information

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References