CVE-2025-4166

Published May 2, 2025

Last updated 2 months ago

CVSS medium 4.5

Overview

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
security@hashicorp.com
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.5
Impact score
3.6
Exploitability score
0.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N
Severity
MEDIUM

Weaknesses

security@hashicorp.com
CWE-209

Social media

Hype score
Not currently trending

  1. 🟠 Hashicorp Vault Community, Information Disclosure, #CVE-2025-4166 (Moderate) https://t.co/uPFJZaURBg

    @dailycve

    4 May 2025

    23 Impressions

    0 Retweets

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References

Sources include official advisories and independent security research.