CVE-2026-102118CWE-250CWE-59

CVE-2026-102118

High · published October 1, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
32.7
In the wild
Unconfirmed
What it is

A local privilege escalation vulnerability in Kiteworks could have allowed an attacker with an existing shell under a low-privileged service account to escalate to root privileges on the appliance.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00397 · 32.7th percentile
Weaknesses
CWE-250 · Execution with Unnecessary Privileges; CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-10-01T01:16Z
Affected products (1)
ProductVersionsFixed in
accellion/kiteworks< 9.5.09.5.0
References (2)
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-8pmh-222g-6j48 · 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 20:18Z
    Kiteworks Core before version 9.5.0 is vulnerable to Local Privilege Escalation
    cvelistv5