{"id":"CVE-2025-6203","revision":"dd6ef767f2c6480392f2a177ad77e77f","records":[{"revision":"dd6ef767f2c6480392f2a177ad77e77f","observedAt":"2026-10-25T03:17:27.277+00:00","statement":{"source":"nvd","id":"CVE-2025-6203","aliases":[],"title":"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, p…","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.","state":0,"publishedAt":"2025-08-28T20:15:43.817+00:00","modifiedAt":"2026-09-26T00:10:00.127+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security@hashicorp.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-6203","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-770"],"productCriteria":["cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*"],"sourceDates":{"published":"2025-08-28T20:15:43.817","lastModified":"2026-09-26T00:10:00.127"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-6203","identifiers":["CVE-2025-6203"]},"retained":false,"historicalAffected":[]}],"coverage":[]}