CVE-2025-6203
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 products
- Red Os, Vault Community Edition, Vault Enterprise
- Hashicorp Vault
- < 1.16.27, 1.21.0, 1.18.15, 1.19.11, 1.20.5
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.7% (50th percentile)
- Weakness
- CWE-770
- NVD status
- Analyzed
- Published
- 2025-08-28
- Attack patterns
- CAPEC-469
CVE-2025-6203 at NVD
No indexed exploits for CVE-2025-6203 yet
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No exploit for CVE-2025-6203 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.