GitHub Advisoryadvisory · Go

GHSA-8f82-53h8-2p34 HashiCorp Vault Community Edition Denial of Service Though Complex JSON Payloads

HIGH Published 2025-08-28 Modified 2025-08-29 Official page ↗
Aliases
CVE-2025-6203
Ecosystem
Go
Packages
github.com/hashicorp/vault
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-770
Reviewed
2025-08-29

Affected packages

• Go github.com/hashicorp/vault: < 1.20.3 → fixed in 1.20.3

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.

Related

Alias · CVE (1)

  • CVE-2025-6203 A malicious user may submit a specially-crafted complex payload that otherwise meets the default request size limit which results in… vulnerability

Weakness · CWE (1)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References