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CVE-2025-4166

Vault Community and Vault Enterprise Key/Value (kv) Version 2 plugin may unintentionally expose sensitive…

CVSS 3.1 · [email protected] · Secondary 4.5 MEDIUMCVSS 3.1 · [email protected] · Primary 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 25 Oct 2026 02:24:54 UTC. Read the latest advisory.

nvd · CVE-2025-4166

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

nvd · CVE-2025-4166

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-209

Original publisher date fields

published: 2025-05-02T15:15:50.313

lastModified: 2026-06-17T09:32:41.227

3 source CPE criteria · context only
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
  • cpe:2.3:a:openbao:openbao:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 12:11 UTC · 256 of 275 readable · 252 fully read · documentation 469/469 current

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