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VulnerabilityPublished

CVE-2026-102142: Kiteworks Core · Template Injection

Affects Kiteworks CoreSource CVE Database V5

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Not known to be exploited · CVSS 7.2 High : upgrade to 9.5.1 soon.

Data as of 14 Nov 2026, 20:43 UTC

CVSS 3.1 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.2% chance of exploitation in 30 days – higher than 68% 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:H/UI:N/S:U/C:H/I:H/A:H

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 System Administrator access to trusted personnel only and monitor for unusual template modifications.

Description

CVE-2026-102142 is a high-severity vulnerability in the Kiteworks Core appliance where a system notification template is processed by a template engine that evaluates expressions within the template body. An authenticated System Administrator can craft a malicious template that, when the notification is sent, executes operating system commands on the appliance. This vulnerability affects Kiteworks Core versions from initial up to but not including 9.5.1.

References

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