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GHSA-8f82-53h8-2p34

HashiCorp Vault Community Edition Denial of Service Though Complex JSON Payloads

Source: GitHub Advisory Database (reviewed) High CVE-2025-6203

Packages

EcosystemPackageAffectedFixed in
Go github.com/hashicorp/vault < 1.20.3 1.20.3

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.