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VulnerabilityPublished

CVE-2026-102136: Kiteworks Core · CRLF Injection

Affects Kiteworks CoreSource CVE Database V5

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Not known to be exploited · CVSS 6.3 Medium : upgrade to 9.5.1 when convenient.

Data as of 14 Nov 2026, 20:43 UTC

CVSS 3.1 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.5.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

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, limit access to internal cluster interfaces and restrict code execution capabilities on any node to trusted users only.

Description

CVE-2026-102136 is a vulnerability in Kiteworks Core affecting multi-node deployments. An attacker with code execution on one node can submit crafted input via an internal cluster interface, which is insufficiently validated when written into monitoring configuration on another node. This can lead to execution of OS commands under an unprivileged service account on the second node. The vulnerability is classified as a CRLF injection (CWE-93) and impacts versions prior to 9.5.1. The CVSS score is 6.3, indicating a medium severity.

References

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