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VULNERABILITIES

CVE-2026-5807 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://access.redhat.com/security/cve/CVE-2026-5807 redhat-SADP
https://bugzilla.redhat.com/show_bug.cgi?id=2459109 redhat-SADP
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5807.json redhat-SADP
https://discuss.hashicorp.com/t/hcsec-2026-08-vault-vulnerable-to-denial-of-service-via-unauthenticated-root-token-generation-rekey-operations/77345 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or Throttlingredhat-SADP
CWE-770Allocation of Resources Without Limits or Throttling[email protected]

Affected Products

ProductVersions
hashicorp vault
< 2.0.0

CPE

  • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-5807
NVD Published Date:
Apr 17, 2026
NVD Last Modified:
Jul 15, 2026
Source:
[email protected]
CVE-2026-5807 Details - Not Deferred