CVE-2026-93637

lowpriority · track · 0EPSS 0.003 · 25 %ileDE
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.33% (25th) EPSS
CVSS 3.7 · low
Is it mine?
2 products
Check your exposure
Who says so?
1 sources
cert_bund

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

3.7
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · cve@rapid7.comexploitability 2.2 · impact 1.4
v3.13.4lowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-307US
04

affected products (2)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-3977Synacor Zimbra: Mehrere SchwachstellenDeutsch2026-10-14csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Synacor Zimbra ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und um Informationen offenzulegen.

06

sources

Which sources assert this record, and when.

cert_bundNVDCVE.orgMITRE
published 2026-10-14modified 2026-10-16
07

references (1) nvd

External citations — patches, advisories, analysis.

scry

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