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VulnerabilityPublished

CVE-2026-102147: Kiteworks Core · Cross-site Scripting

Affects Kiteworks CoreSource CVE Database V5

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Not known to be exploited · CVSS 9.3 Critical : upgrade to 9.5.1 as a priority.

Data as of 14 Nov 2026, 20:43 UTC

CVSS 3.1 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% 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:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
KiteworksCoreAffected
  • <9.5.1
Fixed in
  • 9.5.1
GitHubkiteworks/corepkg:github/kiteworks/coreOther threatsAffected
  • <9.5.1
Fixed in
  • 9.5.1

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 access to administrative interfaces and monitor for suspicious activity. Avoid exposing vulnerable versions to untrusted users.

Description

CVE-2026-102147 is a critical stored cross-site scripting (XSS) vulnerability in Kiteworks Core. An unauthenticated attacker can inject malicious content that executes arbitrary JavaScript in the session of an administrator viewing the affected page. This can lead to full administrative control, including creating new admin accounts. The vulnerability affects Kiteworks Core versions from 0 up to but not including 9.5.1.

References

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