{"id":"CVE-2026-5807","summary":"Vault Vulnerable to Denial-of-Service via Unauthenticated Root Token Generation/Rekey Operations","details":"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.","aliases":["BIT-vault-2026-5807","GHSA-88v5-9hxc-f85r","GO-2026-5247"],"modified":"2026-07-16T03:31:16.085697193Z","published":"2026-04-17T03:22:13.816Z","related":["CGA-jm6m-5fw9-f2fc","openSUSE-SU-2026:10594-1"],"database_specific":{"cwe_ids":["CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5807.json","cna_assigner":"HashiCorp"},"references":[{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2026-08-vault-vulnerable-to-denial-of-service-via-unauthenticated-root-token-generation-rekey-operations/77345"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5807.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-5807"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5807.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5807"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2459109"},{"type":"PACKAGE","url":"https://github.com/hashicorp/vault"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hashicorp/vault","events":[{"introduced":"0"},{"fixed":"cf1ce4df8af6e323558bd5f8c37e771388cbc951"}],"database_specific":{"cpe":["cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*","cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*"],"extracted_events":[{"introduced":"0"},{"fixed":"2.0.0"},{"fixed":"2.0.0."}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v2.0.0-rc1","sdk/v0.19.0","api/v1.21.0","sdk/v0.14.1","sdk/v0.18.0","api/auth/userpass/v0.10.0","api/auth/ldap/v0.10.0","api/auth/kubernetes/v0.10.0","api/auth/gcp/v0.10.0","api/auth/azure/v0.9.0","api/auth/aws/v0.10.0","api/auth/approle/v0.10.0","api/v1.20.0","sdk/v0.17.0","sdk/v0.16.0","sdk/v0.15.0","api/auth/userpass/v0.9.0","api/auth/ldap/v0.9.0","api/auth/kubernetes/v0.9.0","api/auth/gcp/v0.9.0","api/auth/azure/v0.8.0","api/auth/aws/v0.9.0","api/auth/approle/v0.9.0","api/v1.16.0","sdk/v0.14.0","api/auth/userpass/v0.8.0","api/auth/ldap/v0.8.0","api/auth/kubernetes/v0.8.0","api/auth/gcp/v0.8.0","api/auth/azure/v0.7.0","api/auth/aws/v0.8.0","api/auth/approle/v0.8.0","api/v1.15.0","sdk/v0.13.0","api/auth/userpass/v0.7.0","api/auth/ldap/v0.7.0","api/auth/kubernetes/v0.7.0","api/auth/gcp/v0.7.0","api/auth/azure/v0.6.0","api/auth/aws/v0.7.0","api/auth/approle/v0.7.0","api/v1.14.0","api/v1.13.0","sdk/v0.12.0","api/v1.12.2","sdk/v0.11.1","api/v1.12.1","api/auth/userpass/v0.6.0","api/auth/ldap/v0.6.0","api/auth/kubernetes/v0.6.0","api/auth/gcp/v0.6.0","api/auth/aws/v0.6.0","api/auth/approle/v0.6.0","sdk/v0.11.0","api/v1.12.0","api/v1.11.0","sdk/v0.10.1","api/auth/userpass/v0.5.0","api/auth/ldap/v0.5.0","api/auth/kubernetes/v0.5.0","api/auth/gcp/v0.5.0","api/auth/azure/v0.5.0","api/auth/aws/v0.5.0","api/auth/approle/v0.5.0","sdk/v0.10.0","api/v1.10.0","sdk/v0.9.2","api/auth/userpass/v0.4.1","api/auth/ldap/v0.4.1","api/auth/kubernetes/v0.4.1","api/auth/gcp/v0.4.1","api/auth/azure/v0.4.1","api/auth/aws/v0.4.1","api/auth/approle/v0.4.1","sdk/v0.9.1","api/v1.9.2","api/v1.9.1","sdk/v0.9.0","api/auth/userpass/v0.4.0","api/auth/ldap/v0.4.0","api/auth/kubernetes/v0.4.0","api/auth/gcp/v0.4.0","api/auth/azure/v0.4.0","api/auth/aws/v0.4.0","api/auth/approle/v0.4.0","sdk/v0.8.0","api/v1.9.0","api/v1.8.3","sdk/v0.7.0","sdk/v0.6.2","sdk/v0.6.1","api/v1.8.2","api/v1.8.1","api/auth/userpass/v0.3.0","api/auth/ldap/v0.3.0","api/auth/kubernetes/v0.3.0","api/auth/gcp/v0.3.0","api/auth/azure/v0.3.0","api/auth/aws/v0.3.0","api/auth/approle/v0.3.0","api/v1.8.0","sdk/v0.6.0","api/auth/userpass/v0.2.0","api/auth/ldap/v0.2.0","api/auth/kubernetes/v0.2.0","api/auth/gcp/v0.2.0","api/auth/azure/v0.2.0","api/auth/aws/v0.2.0","api/auth/approle/v0.2.0","sdk/v0.5.3","api/v1.7.2","sdk/v0.5.1","api/v1.7.1","api/v1.7.0","api/v1.6.0","sdk/v0.5.0","api/v1.5.0","sdk/v0.4.1","last-go-modable","api/auth/ldap/v0.1.0","api/v1.3.1","api/auth/approle/v0.1.1","main-creation","api/auth/gcp/v0.1.0","api/auth/azure/v0.1.0","api/auth/userpass/v0.1.0","api/auth/kubernetes/v0.1.0","api/auth/aws/v0.1.0","api/auth/approle/v0.1.0","sdk/v0.3.0","api/v1.2.0","api/v1.1.1","sdk/v0.2.1","v1.2.0","v1.2.0-rc1","api/v1.0.4","sdk/v0.1.13","api/v1.0.3","sdk/v0.1.12","v1.2.0-beta2","v1.2.0-beta1","sdk/v0.1.11","sdk/v0.1.10","api/v1.0.2","v1.1.1","sdk/v0.1.9","api/v1.0.1","sdk/v0.1.8","v1.1.0","v1.1.0-beta2","v1.1.0-beta1","v1.0.3","v1.0.2","v1.0.1","v0.10.2","v1.0.0","v1.0.0-rc1","v1.0.0-beta2","v1.0.0-beta1","v0.11.2","v0.11.1","v0.11.0","v0.11.0-beta1","v0.10.4","v0.10.3","v0.10.1","v0.10.0","v0.10.0-rc1","v0.9.6","v0.9.5","v0.9.4","v0.9.2","v0.9.1","v0.9.0","v0.8.3","v0.8.2","v0.8.1","v0.8.0","v0.8.0-rc1","v0.8.0-beta1","v0.7.3","v0.7.2","v0.7.1","v0.6.5","v0.7.0","v0.7.0-beta1","v0.6.4","v0.6.3","v0.6.2","v0.6.1","v0.6.1-rc3","v0.6.1-rc2","v0.6.1-rc1","v0.6.0-rebuild","v0.6.0","v0.6.0-rc1","v0.5.2","v0.6.0-beta2","v0.6.0-beta1","v0.5.1","v0.5.0","v0.5.0-rc2","v0.5.0-rc1.2","v0.5.0-rc1.1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