CVE-2026-0398

{"id": "CVE-2026-0398", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@open-xchange.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-02-09T15:16:11.360", "references": [{"url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2026-01.html", "source": "security@open-xchange.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor."}], "lastModified": "2026-02-09T16:16:00.100", "sourceIdentifier": "security@open-xchange.com"}