PatchTheCVECVE-2026-102126: A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a sin
CVE-2026-102126 is a high-severity flaw (CVSS 8.1) affecting kiteworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a single, narrowly scoped delegated permission to store crafted content that later executes arbitrary JavaScript in the authenticated session of a System Administrator who views the affected page. This could have permitted the lower-privileged administrator to escalate to full administrative control of the tenant, including the creation of a n
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 74%) |
| 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-2026-102126?
kiteworks: upgrade to 9.5.1. Exact commands for each OS are on this page.
Is CVE-2026-102126 being exploited?
CVE-2026-102126 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-2026-102126 affect?
CVE-2026-102126 affects kiteworks. Severity is high (CVSS 8.1). A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a single, narrowly scoped delegated permission to store crafted content that later executes arbitrary JavaScript in the authenticated s
How urgent is CVE-2026-102126?
Priority 35/100. High severity
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