CVE-2025-5999: Hashicorp Vault

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

A privileged Vault operator with write permissions to the root namespace’s identity endpoint could escalate their own or another user’s token privileges to Vault’s root policy. Fixed in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11 and 1.16.22.

Affected products

• Hashicorp Vault: from 0.10.4, before 1.16.22 (fixed in 1.16.22); from 0.10.4, before 1.20.0 (fixed in 1.20.0); from 1.17.0, before 1.18.11 (fixed in 1.18.11); from 1.19.0, before 1.19.6 (fixed in 1.19.6)

Published 2025-08-01. Last modified 2026-06-17.