CVE-2026-5807 | BDVDB-2026-327491 Detail
HashiCorpVault
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.
Impact#
CAPEC-125: Flooding
Weaknesses#
- CWE-770 Allocation of Resources Without Limits or Throttling
References#
- https://discuss.hashicorp.com/t/hcsec-2026-08-vault-vulnerable-to-denial-of-service-via-unauthenticated-root-token-generation-rekey-operations/77345
- https://access.redhat.com/security/cve/CVE-2026-5807
- https://bugzilla.redhat.com/show_bug.cgi?id=2459109
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5807.json
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.