Vulnerability in Kiteworks Core

[ Description ]Official description

A privilege escalation vulnerability in Kiteworks could allow an attacker who has already obtained code execution as an unprivileged backend service account on the appliance to escalate to root and run arbitrary commands with the highest privileges. Exploitation requires existing local access to that service account.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL8 Oct 2026NCSC-2026-0408

  Vulnerabilities fixed in Kiteworks Translated from Dutch

  Probability/damage M/HCVE-2026-102089CVE-2026-102090CVE-2026-102091+58 more CVEs
• BSI CERT-Bund30 Sep 2026WID-SEC-2026-3695

  Kiteworks: Multiple vulnerabilities Translated from German

  CVE-2026-102100CVE-2026-102144CVE-2026-102117+58 more CVEs

[ References ]References

• github.com/kiteworks/security-advisories/security/advisories/GHSA-658c-86vw-g9hfVendor Advisory
• raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.jsonBroken Link