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CVE-2026-93637 Zimbra Collaboration Suite GraphQL Batched Authentication Bypasses Pre-Auth Rate Limiting

🗓️ 14 Oct 2026 16:25:23Reported by rapid7Type 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Unauthenticated authentication rate-limit bypass in Zimbra Collaboration Suite via GraphQL.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93637
14 Oct 202621:48
–circl
cve
CVE
CVE-2026-93637
14 Oct 202616:25
–cve
euvd
EUVD
EUVD-2026-101460
14 Oct 202616:25
–euvd
nvd
NVD
CVE-2026-93637
14 Oct 202617:20
–nvd
ptsecurity
Positive Technologies
PT-2026-114350
14 Oct 202600:00
–ptsecurity
rapid7blog
Rapid7 Blog
From One Account to Every Mailbox: Breaking Zimbra's Identity Boundaries (Part 1)
14 Oct 202613:00
–rapid7blog
[
  {
    "vendor": "Zimbra",
    "product": "Zimbra Collaboration Suite",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "10.1.21",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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