CVE-2026-92378: uniFLOW Online Legacy UI Previous login session retained when entering Reduced Function Login

Severity: medium (CVSS 4.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-23 · updated 2026-09-23
Weakness: CWE-613

Description

A session management vulnerability exists in the Legacy UI Reduced Function Login feature of NT-ware uniFLOW Online. Under specific timing conditions during Service Offline Emergency Mode, a previously authenticated session may be retained after logout, which could allow a subsequent user to be authenticated as the previous user and gain unauthorised limited access to device functionality.

Affected products

NT-ware uniFLOW Online: through 2026.2

References

https://ntware.atlassian.net/wiki/spaces/SA/pages/14160592897/Security+Advisory+Previous+login+session+retained+when+entering+Reduced+Function+Login
https://www.canon-europe.com/psirt/advisory-information/

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