High severity · published Mar 25, 2026
CVE-2026-29092
Kiteworks Email Protection Gateway has an Insufficient Session Expiration
7.5
CVSS
0.2%
EPSS
No
On KEV
Description
Kiteworks is a private data network (PDN). Prior to version 9.2.1, a vulnerability in Kiteworks Email Protection Gateway session management allows blocked users to maintain active sessions after their account is disabled. This could allow unauthorized access to continue until the session naturally expires. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kiteworks Email Protection Gateway · kiteworks
< 9.2.1 · source: vendor
KI
Kiteworks · Accellion
before 9.2.1 · source: NVD
Affected product
KE
Kiteworks Email Protection Gateway
kiteworks