{"id":"BIT-vault-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":["CVE-2026-5807","GHSA-88v5-9hxc-f85r","GO-2026-5247"],"modified":"2026-09-08T08:48:21.532914866Z","published":"2026-04-21T12:15:58.123Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:hashicorp:vault:*:*:*:*:*:go:*:*","cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:go:*:*","cpe:2.3:a:hashicorp:vault:*:*:*:*:community:go:*:*"]},"references":[{"type":"ADVISORY","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://nvd.nist.gov/vuln/detail/CVE-2026-5807"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-5807"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2459109"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5807.json"}],"affected":[{"package":{"name":"vault","ecosystem":"Bitnami","purl":"pkg:bitnami/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.10.0"},{"fixed":"2.0.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/vault/BIT-vault-2026-5807.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}