Resource exhaustion in Hashicorp Vault
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…
EPSS: 0.001 (28.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Hashicorp Vault — versions 1.15.0
- Hashicorp Vault Enterprise — versions 1.15.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-6203?
- CVE-2025-6203 is a high-severity vulnerability in Hashicorp Vault, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-08-28.
- How severe is CVE-2025-6203?
- High severity. CVSS v3 base score is 7.5 out of 10.