High severity · published Sep 30, 2026
CVE-2026-102092
Kiteworks Core stored XSS
8.7
CVSS
0.3%
EPSS
No
On KEV
Description
Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-site Scripting (XSS) that could allow an authenticated user to store crafted content that executes arbitrary JavaScript in another user's authenticated session when they preview shared content. This could potentially lead to session compromise and account takeover.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Core · Kiteworks
before 9.5.0 · source: vendor
KI
Kiteworks · Accellion
before 9.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-102092
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-102092
vendor-advisory
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-mhw9-vrqq-m434
third-party-advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json
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