Kiteworks Email Protection Gateway Remote Code Execution
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowed an administrator to influence how the application loaded it. An authenticated administrator could potentially use this to execute arbitrary code on the gateway as the underlying service account.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Email Protection Gateway (Kiteworks) Fixed in 9.5.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Kiteworks Email Protection Gateway 9.5.1
9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2026-65284 Kiteworks Email Protection Gateway Improper Access ControlPriority MEDIUM 48
- TI-2026-65279 Kiteworks Email Protection Gateway Unrestricted Upload of File with Dangerous TypePriority LOW 39
- TI-2026-65264 Kiteworks Email Protection Gateway Improper AuthenticationPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2026-102130
- 2026-10-09 EPSS moved to the 50th–90th percentile
More Accellion Kiteworks vulnerabilities
- TI-2021-11694 Accellion Kiteworks before 7.4.0 allows an authenticated user to perform SQL Injection via LDAPGroup Search. CVSS 3.1HIGH 8.8
- TI-2026-65251 Kiteworks Core Authentication Bypass in the Password Reset Workflow CVSS 3.1CRITICAL 9.8
- TI-2026-65284 Kiteworks Email Protection Gateway Improper Access Control CVSS 3.1CRITICAL 9.4
- TI-2026-65241 Kiteworks Email Protection Gateway server-side request forgery CVSS 3.1CRITICAL 9.1
- TI-2026-65242 Kiteworks Email Protection Gateway improper authentication CVSS 3.1CRITICAL 9.1
- TI-2026-65238 Kiteworks Email Protection Gateway server-side request forgery CVSS 3.1CRITICAL 9.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences