CVE-2026-102144CWE-306CWE-400denial-of-service

CVE-2026-102144

Medium · published October 1, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
28.9
In the wild
Unconfirmed
What it is

A resource exhaustion vulnerability in Kiteworks Email Protection Gateway allowed an unauthenticated remote attacker to repeatedly trigger a comparatively expensive server-side operation, causing a partial denial of service.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00363 · 28.9th percentile
Weaknesses
CWE-306 · Missing Authentication for Critical Function; CWE-400 · Uncontrolled Resource Consumption
Published
2026-10-01T01:17Z
Affected products (1)
ProductVersionsFixed in
accellion/kiteworks< 9.5.19.5.1
References (2)
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-wwhf-5862-rjxq · 9119a7d8-5eab-497f-8521-727c672e3725https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json · 9119a7d8-5eab-497f-8521-727c672e3725
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 30 SEP 20:09Z
    Kiteworks Email Protection Gateway Uncontrolled Resource Consumption
    cvelistv5