PatchTheCVECVE-2026-102100: Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-Site Scripting
CVE-2026-102100 is a high-severity flaw (CVSS 8.7) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-Site Scripting. A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an authenticated user to submit content that, when later viewed by another user, executes arbitrary JavaScript in that user's authenticated session. This could be used to perform actions on the victim's behalf and may have permitted account takeover, including of higher-privileged users. Expl
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.7 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 72%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-09-30 |
| Last modified | 2026-10-07 |
Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-102100?
kiteworks: upgrade to 9.5.0. Exact commands for each OS are on this page.
Is CVE-2026-102100 being exploited?
CVE-2026-102100 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-102100 affect?
CVE-2026-102100 affects kiteworks. Severity is high (CVSS 8.7). Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-Site Scripting. A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an authenticated user to submit content that, when later viewed by another user, ex
How urgent is CVE-2026-102100?
Priority 37/100. High severity
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