CVE-2026-102131

highEPSS 0.012 · 67 %ileDEUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.19% (67th) EPSS
CVSS 7.2 · high
Is it mine?
7 products
Check your exposure
Who says so?
3 sources
cert_bund · cisa_csaf_it · nvd

EPSS · scored 2026-10-20

Kiteworks Email Protection Gateway rejected certain configuration settings, but its validation did not recognize every form in which they could be supplied. An authenticated administrator could potentially use an unrecognized form to have a file of their choosing written to the gateway and executed, resulting in code execution as the gateway service account.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

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

7.2
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1.2 · impact 5.9
v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-178USCWE-94USCWE-94US
05

affected products (7)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • VA-26-274-01Kiteworks multiple vulnerabilities2026-09-30csaf · cisa_csaf_itUS

    Fixed in version 9.5.0 and 9.5.1.

  • WID-SEC-W-2026-3695Kiteworks: Mehrere SchwachstellenDeutsch2026-09-30csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Kiteworks ausnutzen, Authentifizierungs- oder Zugriffskontrollen zu umgehen, Benutzer- oder Administratorkonten zu übernehmen, Berechtigungen zu erhöhen, sensible Informationen auszulesen oder zu verändern, beliebige Dateien zu schreiben, interne Systeme per SSRF anzusprechen, SQL- oder Betriebssystembefehle einzuschleusen, Remote Code Execution zu erreichen oder Dienste durch Denial-of-Service zu beeinträchtigen.

07

sources

Which sources assert this record, and when.

cert_bundcisa_csaf_itnvdNVDCVE.orgMITRE
published 2026-09-30modified 2026-10-08
08

references (2) nvd

External citations — patches, advisories, analysis.

scry

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