CVE-2026-102143CWE-306CWE-434unrestricted-file-upload

CVE-2026-102143

High · published October 1, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
24.0
In the wild
Unconfirmed
What it is

An unauthenticated attacker could cause a file with attacker-controlled content to be written to the appliance filesystem through an administrative upload handler that did not properly authenticate the request. This did not by itself result in code execution, which would require a separate vulnerability to place the file in an executable location.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00322 · 24.0th percentile
Weaknesses
CWE-306 · Missing Authentication for Critical Function; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-10-01T01:17Z
Affected products (1)
ProductVersionsFixed in
accellion/kiteworks< 9.5.19.5.1
References (2)
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 30 SEP 20:10Z
    Kiteworks Email Protection Gateway Unrestricted Upload of File with Dangerous Type
    cvelistv5