What is CVE-2026-102140?

CVE-2026-102140 is a medium-severity vulnerability in Kiteworks Core, classified under Insufficient Verification of Data Authenticity. CVSS score: 4.9/10. Published 2026-09-30.

How severe is CVE-2026-102140?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Kiteworks Core

CVE-2026-102140

An authenticated administrator could initiate an administrative import using a file whose contents were not fully verified, because the import validated only the file's header rather than the complete file. This could allow unverified or forged content to be accepted and processed, affecting the integrity of the imported data.

Published 2026-09-30 · last modified 2026-10-01.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Kiteworks Core

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

Frequently asked questions

What is CVE-2026-102140?: CVE-2026-102140 is a medium-severity vulnerability in Kiteworks Core, classified under Insufficient Verification of Data Authenticity. CVSS score: 4.9/10. Published 2026-09-30.
How severe is CVE-2026-102140?: Medium severity. CVSS v3 base score is 4.9 out of 10.