{"id":"CVE-2026-93637","revision":"f077b50cf6ad4c4781c879749dc5e2c6","records":[{"revision":"f077b50cf6ad4c4781c879749dc5e2c6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93637","aliases":[],"title":"Zimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate Limiting","description":"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’s source-IP failure counter. GraphQL aliases allow multiple authentication attempts in one HTTP request.","state":0,"publishedAt":"2026-10-14T16:25:23.436+00:00","modifiedAt":"2026-10-16T15:31:51.432+00:00","affected":[{"ecosystem":"Vendor product","name":"Zimbra Collaboration Suite","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Zimbra\",\n                    \"product\": \"Zimbra Collaboration Suite\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"10.1.21\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","score":3.7,"severity":"LOW"}],"references":["https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93637","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93637","identifiers":["CVE-2026-93637"]},"retained":false,"historicalAffected":[]}],"coverage":[]}