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TI-2025-33770 Aliases CVE-2025-53896

Kiteworks MFT is vulnerable to Insufficient Session Expiration

Priority LOW 37CWE-613Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-613.

Summary

Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, a bug in Kiteworks MFT could cause under certain circumstances that a user's active session would not properly time out due to inactivity. This issue has been patched in version 9.1.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00209 11th percentileScored 2026-11-07
Fix Fixed security-advisories (kiteworks): 9.1.0

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
Accellionsecurity-advisoriesbefore 9.1.09.1.0Patch availableCNA
  • security-advisories VendorAccellion Affected before 9.1.0 Fixed in 9.1.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:accellion:kiteworks_managed_file_transfer:*:*:*:*:*:*:*:*before 9.1.0VulnerableAccellion
  • cpe:2.3:a:accellion:kiteworks_managed_file_transfer:*:*:*:*:*:*:*:* Versions before 9.1.0 Vulnerable ·Accellion

Remediation

  • Fix · CNA security-advisories (kiteworks) Fixed in 9.1.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53896

References

Patch 1

  • TI-2025-33773 Kiteworks MFT has a Privilege Defined With Unsafe Actions CVSS 3.1HIGH 8.8
  • TI-2025-33772 Kiteworks MFT is vulnerable to an Incorrectly Specified Destination in a Communication Channel CVSS 3.1HIGH 7.2
  • TI-2025-33771 Kiteworks MFT has a Cross-Site Request Forgery (CSRF) vulnerability CVSS 3.1MEDIUM 6.8

Sources

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