{"id":"GHSA-8f82-53h8-2p34","summary":"HashiCorp Vault Community Edition Denial of Service Though Complex JSON Payloads","details":"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.","aliases":["BIT-vault-2025-6203","CVE-2025-6203","GO-2025-3924"],"modified":"2026-07-17T21:07:14.095270147Z","published":"2025-08-28T21:31:26Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2025-08-29T16:22:47Z","nvd_published_at":"2025-08-28T20:15:43Z","cwe_ids":["CWE-770"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6203"},{"type":"WEB","url":"https://github.com/hashicorp/vault/commit/eedc2b7426f30e57e306229ce697ce81e203ab89"},{"type":"WEB","url":"https://discuss.hashicorp.com"},{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393"},{"type":"PACKAGE","url":"https://github.com/hashicorp/vault"}],"affected":[{"package":{"name":"github.com/hashicorp/vault","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.20.3"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/08/GHSA-8f82-53h8-2p34/GHSA-8f82-53h8-2p34.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}