CVE-2026-102137: Kiteworks Core · Unrestricted File Upload
Affects Kiteworks CoreSource CVE Database V5
Not known to be exploited · CVSS 4.1 Medium : upgrade to 9.5.1 when convenient.
Data as of 14 Nov 2026, 20:43 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 9.5.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:LExploitation evidence
Disclosed: evidence found.
CVE published 30 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.
What to do
Upgrade Core and kiteworks/core to 9.5.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| KiteworksCore | Affected
| Fixed in
|
GitHubkiteworks/corepkg:github/kiteworks/coreOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict administrative access to trusted personnel only and monitor for suspicious file uploads.
Description
CVE-2026-102137 is a vulnerability in Kiteworks Core that allows an authenticated administrator to bypass content validation during administrative file uploads, enabling storage of files with dangerous content on the appliance. This vulnerability alone does not lead to code execution, as exploiting that would require another separate vulnerability.