Description

A malicious user may submit a specially-crafted complex payload that otherwise meets the default request size limit which results in excessive memory and CPU consumption of Vault. This may lead to a timeout in Vault’s auditing subroutine, potentially resulting in the Vault server to become unresponsive. This vulnerability, CVE-2025-6203, is fixed in Vault Community Edition 1.20.3 and Vault Enterprise 1.20.3, 1.19.9, 1.18.14, and 1.16.25.

INFO

Published Date :

2025-08-28T19:36:09.870Z

Last Modified :

2025-10-23T18:18:34.361Z

Source :

HashiCorp
AFFECTED PRODUCTS

The following products are affected by CVE-2025-6203 vulnerability.

Vendors Products
Hashicorp
  • Vault
  • Vault Enterprise
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-6203.

URL Resource
https://discuss.hashicorp.com/ cve-icon
https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-6203 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-6203 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact