CVE-2026-5807
Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Vault is vulnerable to a denial-of-service condition where an unauthenticated attacker can repeatedly initiate or cancel root token generation or rekey operations, occupying the single in-progress operation slot. This prevents legitimate operators from completing these workflows. This vulnerability, CVE-2026-5807, is fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0.
| CWE | CWE-770 |
| Vendor | hashicorp |
| Product | vault |
| Published | Apr 17, 2026 |
Stay Ahead of the Next One
Get instant alerts for hashicorp vault
Be the first to know when new high vulnerabilities affecting hashicorp vault are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
HashiCorp / Vault
0 < 2.0.0
HashiCorp / Vault Enterprise
0 < 2.0.0.