CVE-2023-5954: Hashicorp Vault

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

HashiCorp Vault and Vault Enterprise inbound client requests triggering a policy check can lead to an unbounded consumption of memory. A large number of these requests may lead to denial-of-service. Fixed in Vault 1.15.2, 1.14.6, and 1.13.10.

Affected products

• Hashicorp Vault: from 1.13.7, before 1.13.10 (fixed in 1.13.10); from 1.14.3, before 1.14.6 (fixed in 1.14.6); from 1.15.0, before 1.15.2 (fixed in 1.15.2)

Published 2023-11-09. Last modified 2026-06-17.