{"schema_version":"1.9.0","id":"BIT-vault-2025-6203","published":"2025-08-30T08:51:09.044Z","modified":"2026-09-08T08:48:21.308875147Z","aliases":["CVE-2025-6203","GHSA-8f82-53h8-2p34","GO-2025-3924"],"summary":"Vault unauthenticated denial of service through complex json payload","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.","affected":[{"package":{"name":"vault","ecosystem":"Bitnami","purl":"pkg:bitnami/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.15.0"},{"fixed":"1.20.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/vault/BIT-vault-2025-6203.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"ADVISORY","url":"https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6203"}],"database_specific":{"cpes":["cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:go:*:*","cpe:2.3:a:hashicorp:vault:*:*:*:*:community:go:*:*"],"severity":"High"}}