Read the docs
TI-2026-65267 Aliases CVE-2026-102131

Kiteworks Email Protection Gateway Improper Handling of Case Sensitivity

Priority LOW 36CWE-178Published · Updated

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

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01185 68th percentileScored 2026-11-07
Fix Fixed Email Protection Gateway (Kiteworks): 9.5.0

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

VendorProductAffected versionsFixed inStatusSource
AccellionEmail Protection Gatewaybefore 9.5.09.5.0Patch availableCNA
  • Email Protection Gateway VendorAccellion Affected before 9.5.0 Fixed in 9.5.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*before 9.5.0VulnerableAccellion
  • cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:* Versions before 9.5.0 Vulnerable ·Accellion

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

  1. 2026-10-02 Threatist record created from CVE-2026-102131
  2. 2026-10-09 EPSS moved to the 50th–90th percentile

References

Advisory 2

  • 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
See all 81 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences