Kiteworks Email Protection Gateway Improper Handling of Case Sensitivity
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-94.
Summary
Kiteworks Email Protection Gateway rejected certain configuration settings, but its validation did not recognize every form in which they could be supplied. An authenticated administrator could potentially use an unrecognized form to have a file of their choosing written to the gateway and executed, resulting in code execution as the gateway 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 9.5.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Kiteworks Email Protection Gateway 9.5.0
13 records Highest priority Priority MEDIUM 6 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2026-65241 Kiteworks Email Protection Gateway server-side request forgeryPriority MEDIUM 48
- TI-2026-65242 Kiteworks Email Protection Gateway improper authenticationPriority MEDIUM 47
- TI-2026-65238 Kiteworks Email Protection Gateway server-side request forgeryPriority MEDIUM 47
Timeline
- 2026-10-02 Threatist record created from CVE-2026-102131
- 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