CVE-2026-93637

{"id": "CVE-2026-93637", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93637", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T15:18:20.000158Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@rapid7.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.2}]}, "affected": [{"source": "cve@rapid7.com", "affectedData": [{"vendor": "Zimbra", "product": "Zimbra Collaboration Suite", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "10.1.21"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-14T17:20:21.430", "references": [{"url": "https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1", "source": "cve@rapid7.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "cve@rapid7.com", "description": [{"lang": "en", "value": "CWE-307"}]}], "descriptions": [{"lang": "en", "value": "An authentication rate-limit bypass in Zimbra Collaboration Suite 10.1.0 through 10.1.21 allows unauthenticated attackers to make repeated password guesses through GraphQL without incrementing Zimbra\u2019s source-IP failure counter. GraphQL aliases allow multiple authentication attempts in one HTTP request."}], "lastModified": "2026-10-16T19:55:59.740", "sourceIdentifier": "cve@rapid7.com"}