{"schema":"threatline.record/2","record":{"id":"CVE-2026-93637","aliases":[],"summary":"Zimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate Limiting","details":"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.","categories":["Applications & CMS"],"product":"Zimbra Collaboration Suite","vendor":"Zimbra","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93637","source_modified_at":"2026-10-16T15:31:51.432Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Zimbra Collaboration Suite","vendor":"Zimbra","versions":[{"status":"affected","version":"0","lessThanOrEqual":"10.1.21","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":3.7,"severity":"Low","kev":{"listed":false},"epss":{"probability":0.00294,"percentile":0.20954,"score_date":"2026-10-23"},"published_at":"2026-10-14T16:25:23.436Z","modified_at":"2026-10-16T15:31:51.432Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93637","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T15:31:51.432Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-93637","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-16T15:18:20.000158Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-16T15:31:51.432Z","content_hash":"7991a8258fef994e579898836c7deb37b3453403a54a5c7c23c9dd1d1d3ac505"}}