Insufficient Session Expiration in MOVEit Transfer - CVE-2026-89073
Published: October 16, 2026
Vulnerability identifier: #VU155967
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89073
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to potentially reuse a session that should have expired and gain unauthorized access.
The vulnerability exists due to insufficient session expiration in MOVEit Transfer when validating existing sessions. A remote attacker can reuse a previously obtained session credential beyond its intended validity period to potentially access the associated user's session.
Affected software
MOVEit Transfer
How to mitigate CVE-2026-89073
Install security update from vendor's website.
MOVEit Transfer - addressed in versions 2025.1.6, 2026.0.4