CVE-2026-5807

{"id": "CVE-2026-5807", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@hashicorp.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-04-17T05:16:19.303", "references": [{"url": "https://discuss.hashicorp.com/t/hcsec-2026-08-vault-vulnerable-to-denial-of-service-via-unauthenticated-root-token-generation-rekey-operations/77345", "tags": ["Vendor Advisory"], "source": "security@hashicorp.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@hashicorp.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-04-27T15:03:39.150", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "B459EB7C-2239-4F08-AFD3-0FFACC91F93D", "versionEndExcluding": "2.0.0"}, {"criteria": "cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "9F03E42B-3C0D-4C45-9B0B-9FA41917CF37", "versionEndExcluding": "2.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@hashicorp.com"}